{"id":"https://openalex.org/A5048845661","orcid":null,"observed_orcids":[],"display_name":"Sjoerd H. Hofma","raw_author_names":["S H Hofma","S Hofma","S. H. Hofma","S.H Hofma","S.H. Hofma","SJOERD H. HOFMA","Sjoerd H Hofma","Sjoerd H. Hofma","Sjoerd Hofma","Sjoerd Hofma Hofma","Sjoerd. H. Hofma"],"full_name":"Sjoerd Hofma Hofma","works_count":143,"cited_by_count":16015,"summary_stats":{"2yr_mean_citedness":2.1538461538461537,"h_index":37,"i10_index":66},"ids":{"openalex":"https://openalex.org/A5048845661","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2801112325","ror":"https://ror.org/04vgqjj36","display_name":"Sahlgrenska University Hospital","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I2801112325"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I2801952686","ror":"https://ror.org/018906e22","display_name":"Erasmus MC","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2801952686"]},"years":[2005,2004,2003,2001,1996]},{"institution":{"id":"https://openalex.org/I2802652803","ror":"https://ror.org/0283nw634","display_name":"Medisch Centrum Leeuwarden","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802652803","https://openalex.org/I4405259012"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010]},{"institution":{"id":"https://openalex.org/I2802928900","ror":"https://ror.org/03t4gr691","display_name":"Amsterdam UMC Location University of Amsterdam","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I32971472","ror":"https://ror.org/03v76x132","display_name":"Yale University","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210105568","ror":"https://ror.org/01d02sf11","display_name":"OLVG","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210105568"]},"years":[2019,2017]},{"institution":{"id":"https://openalex.org/I4210147058","ror":"https://ror.org/045nawc23","display_name":"Tergooi","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210147058"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210151833","ror":"https://ror.org/05grdyy37","display_name":"Amsterdam University Medical Centers","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210151833"]},"years":[2019,2017]},{"institution":{"id":"https://openalex.org/I4405259012","ror":"https://ror.org/01jbjwx18","display_name":"Frisius MC","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4405259012"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I861853513","ror":"https://ror.org/02be6w209","display_name":"Sapienza University of Rome","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I887064364","ror":"https://ror.org/04dkp9463","display_name":"University of Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I913958620","ror":"https://ror.org/057w15z03","display_name":"Erasmus University Rotterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I913958620"]},"years":[1998,1996]}],"last_known_institutions":[{"id":"https://openalex.org/I2802652803","ror":"https://ror.org/0283nw634","display_name":"Medisch Centrum Leeuwarden","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802652803","https://openalex.org/I4405259012"]}],"topics":[{"id":"https://openalex.org/T10193","display_name":"Coronary Interventions and Diagnostics","count":131,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11064","display_name":"Antiplatelet Therapy and Cardiovascular Diseases","count":102,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","count":77,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10292","display_name":"Acute Myocardial Infarction Research","count":60,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","count":8,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11064","display_name":"Antiplatelet Therapy and Cardiovascular Diseases","value":0.0006882,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10193","display_name":"Coronary Interventions and Diagnostics","value":0.0003039,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10292","display_name":"Acute Myocardial Infarction Research","value":0.0001321,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","value":0.0001299,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13252","display_name":"Sex and Gender in Healthcare","value":4.33e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9909214973449707},{"id":"500558357","wikidata":"https://www.wikidata.org/wiki/Q12152","display_name":"Myocardial infarction","score":0.8217993974685669},{"id":"2778583881","wikidata":"https://www.wikidata.org/wiki/Q1325542","display_name":"Stent","score":0.8142871260643005},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.7802196145057678},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7335508465766907}],"counts_by_year":[{"year":1996,"works_count":1,"oa_works_count":1,"cited_by_count":187},{"year":1998,"works_count":2,"oa_works_count":2,"cited_by_count":221},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":3,"cited_by_count":1151},{"year":2004,"works_count":13,"oa_works_count":8,"cited_by_count":1037},{"year":2005,"works_count":6,"oa_works_count":2,"cited_by_count":539},{"year":2010,"works_count":2,"oa_works_count":2,"cited_by_count":670},{"year":2011,"works_count":5,"oa_works_count":3,"cited_by_count":245},{"year":2012,"works_count":5,"oa_works_count":3,"cited_by_count":272},{"year":2013,"works_count":9,"oa_works_count":6,"cited_by_count":483},{"year":2014,"works_count":6,"oa_works_count":5,"cited_by_count":31},{"year":2015,"works_count":4,"oa_works_count":3,"cited_by_count":310},{"year":2016,"works_count":10,"oa_works_count":9,"cited_by_count":50},{"year":2017,"works_count":6,"oa_works_count":4,"cited_by_count":730},{"year":2018,"works_count":6,"oa_works_count":6,"cited_by_count":8986},{"year":2019,"works_count":18,"oa_works_count":13,"cited_by_count":218},{"year":2020,"works_count":9,"oa_works_count":7,"cited_by_count":475},{"year":2021,"works_count":11,"oa_works_count":9,"cited_by_count":97},{"year":2022,"works_count":8,"oa_works_count":8,"cited_by_count":273},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":12},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":7},{"year":2025,"works_count":7,"oa_works_count":6,"cited_by_count":17},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":4}],"display_name_alternatives":["S H Hofma","S Hofma","S. H. Hofma","S.H Hofma","S.H. Hofma","SJOERD H. HOFMA","Sjoerd H Hofma","Sjoerd H. Hofma","Sjoerd Hofma","Sjoerd Hofma Hofma","Sjoerd. H. Hofma"],"block_key":"s hofma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5048845661","updated_date":"2026-10-17T12:28:47","created_date":"2016-06-24T00:00:00"}
