{"entity":{"type":"insider","cik":"0001585041","url":"/insider/0001585041","json_url":"/insider/0001585041.json","name":"Gentel Gary Lee","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":20,"n_filings":17,"first":"2014-05-27","last":"2015-12-30","span_basis":"filed_date"},"name_variants":[{"name":"Gentel Gary Lee","source":"filing","n_filings":17,"first_seen":"2014-05-27","last_seen":"2015-12-30"}],"transactions":[{"id":8438733,"accession":"0000950142-15-002713","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0000950142-15-002713","line_url":"/filing/0000950142-15-002713","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Other","role_mark":"*","role_mark_label":"Other","role_mark_generic":"Other","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":43900.0,"shares_display":"43,900","price_per_share":21.5,"price_display":"21.50","price_state":"stated","total_value":943850.0,"total_display":"943,850.00","total_whole":"943,850","shares_owned_after":40959.0,"shares_owned_after_display":"40,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-12-29","filed_date":"2015-12-30","scope":"insider","n_lines":4},{"id":8355140,"accession":"0000950142-15-002238","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-002238","line_url":"/filing/0000950142-15-002238#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":21.5,"price_display":"21.50","price_state":"stated","total_value":2150.0,"total_display":"2,150.00","total_whole":"2,150","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-10-13","filed_date":"2015-10-15","scope":"insider"},{"id":8317621,"accession":"0000950142-15-002024","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-002024","line_url":"/filing/0000950142-15-002024#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11000.0,"shares_display":"11,000","price_per_share":22.582,"price_display":"22.58","price_state":"stated","total_value":248402.0,"total_display":"248,402.00","total_whole":"248,402","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-08-31","filed_date":"2015-09-02","scope":"insider"},{"id":8939156,"accession":"0000950142-15-001816","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-001816","line_url":"/filing/0000950142-15-001816#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11000.0,"shares_display":"11,000","price_per_share":25.9696,"price_display":"25.97","price_state":"stated","total_value":285665.6,"total_display":"285,665.60","total_whole":"285,666","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-29","filed_date":"2015-07-30","scope":"insider"},{"id":8837852,"accession":"0000950142-15-001565","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-001565","line_url":"/filing/0000950142-15-001565#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11000.0,"shares_display":"11,000","price_per_share":25.7042,"price_display":"25.70","price_state":"stated","total_value":282746.2,"total_display":"282,746.20","total_whole":"282,746","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-06-29","filed_date":"2015-06-30","scope":"insider"},{"id":8837846,"accession":"0000950142-15-001290","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-001290","line_url":"/filing/0000950142-15-001290#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11000.0,"shares_display":"11,000","price_per_share":26.3512,"price_display":"26.35","price_state":"stated","total_value":289863.2,"total_display":"289,863.20","total_whole":"289,863","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-05-29","filed_date":"2015-06-02","scope":"insider"},{"id":8856707,"accession":"0000950142-15-000601","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-000601","line_url":"/filing/0000950142-15-000601#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":18000.0,"shares_display":"18,000","price_per_share":23.0021,"price_display":"23.00","price_state":"stated","total_value":414037.8,"total_display":"414,037.80","total_whole":"414,038","shares_owned_after":18959.0,"shares_owned_after_display":"18,959","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-03-17","filed_date":"2015-03-18","scope":"insider"},{"id":8807609,"accession":"0000950142-15-000483","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-000483","line_url":"/filing/0000950142-15-000483#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.9624,"price_display":"19.96","price_state":"stated","total_value":179661.6,"total_display":"179,661.60","total_whole":"179,662","shares_owned_after":452.0,"shares_owned_after_display":"452","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-27","filed_date":"2015-03-03","scope":"insider"},{"id":8076321,"accession":"0000950142-15-000190","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-15-000190","line_url":"/filing/0000950142-15-000190#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.8658,"price_display":"19.87","price_state":"stated","total_value":178792.2,"total_display":"178,792.20","total_whole":"178,792","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-01-27","filed_date":"2015-01-29","scope":"insider"},{"id":6855601,"accession":"0000950142-14-002557","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-002557","line_url":"/filing/0000950142-14-002557#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":20.7664,"price_display":"20.77","price_state":"stated","total_value":186897.6,"total_display":"186,897.60","total_whole":"186,898","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-12-29","filed_date":"2014-12-31","scope":"insider"},{"id":6598633,"accession":"0000950142-14-002376","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-002376","line_url":"/filing/0000950142-14-002376#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.449,"price_display":"19.45","price_state":"stated","total_value":175041.0,"total_display":"175,041.00","total_whole":"175,041","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-11-28","filed_date":"2014-12-02","scope":"insider"},{"id":6816010,"accession":"0000950142-14-002121","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-002121","line_url":"/filing/0000950142-14-002121#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.7339,"price_display":"19.73","price_state":"stated","total_value":177605.1,"total_display":"177,605.10","total_whole":"177,605","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-10-27","filed_date":"2014-10-29","scope":"insider"},{"id":6955808,"accession":"0000950142-14-001959","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-001959","line_url":"/filing/0000950142-14-001959#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.4182,"price_display":"19.42","price_state":"stated","total_value":174763.8,"total_display":"174,763.80","total_whole":"174,764","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-09-29","filed_date":"2014-09-30","scope":"insider"},{"id":7043393,"accession":"0000950142-14-001790","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-001790","line_url":"/filing/0000950142-14-001790#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":18.8889,"price_display":"18.89","price_state":"stated","total_value":170000.1,"total_display":"170,000.10","total_whole":"170,000","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-08-27","filed_date":"2014-08-28","scope":"insider"},{"id":6516321,"accession":"0000950142-14-001732","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-001732","line_url":"/filing/0000950142-14-001732#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":18.5,"price_display":"18.50","price_state":"stated","total_value":166500.0,"total_display":"166,500.00","total_whole":"166,500","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-08-14","filed_date":"2014-08-15","scope":"insider"},{"id":6691304,"accession":"0000950142-14-001467","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-001467","line_url":"/filing/0000950142-14-001467#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":19.343,"price_display":"19.34","price_state":"stated","total_value":174087.0,"total_display":"174,087.00","total_whole":"174,087","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-06-27","filed_date":"2014-07-01","scope":"insider"},{"id":7065125,"accession":"0000950142-14-001156","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000950142-14-001156","line_url":"/filing/0000950142-14-001156#line-2","is_derivative":false,"issuer_cik":"0001580156","issuer_name":"Houghton Mifflin Harcourt Co","issuer_ticker":"HMHC","issuer_name_source":null,"issuer_url":"/issuer/0001580156","owner_cik":"0001585041","owner_name":"Gentel Gary Lee","owner_display_name":"Gentel Gary Lee","owner_url":"/insider/0001585041","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See remarks.","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":18.5242,"price_display":"18.52","price_state":"stated","total_value":166717.8,"total_display":"166,717.80","total_whole":"166,718","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-05-27","filed_date":"2014-05-27","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":20,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":20,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":20},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001580156","name":"Houghton Mifflin Harcourt Co","url":"/issuer/0001580156","role":"Officer, Other","n_filings":17,"first_seen":"2014-05-27","last_seen":"2015-12-30"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001585041","retrieved_at":"2026-08-22T10:08:49+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}