{"id":"https://openalex.org/A5083164561","orcid":"https://orcid.org/0000-0002-9764-3138","observed_orcids":["https://orcid.org/0000-0002-9764-3138"],"display_name":"Wolfgang Michael Schaefer","raw_author_names":["W M Schaefer","W SCHAEFER","W Schaefer","W. M. Schaefer","W. Schaefer","W.M. Schaefer","Wolfgang M Schaefer","Wolfgang M. Schaefer","Wolfgang Michael Schaefer","Wolfgang Schaefer"],"full_name":"Wolfgang Michael Schaefer","works_count":76,"cited_by_count":2392,"summary_stats":{"2yr_mean_citedness":5.0,"h_index":25,"i10_index":39},"ids":{"openalex":"https://openalex.org/A5083164561","orcid":"https://orcid.org/0000-0002-9764-3138","observed_orcids":["https://orcid.org/0000-0002-9764-3138"]},"affiliations":[{"institution":{"id":"https://openalex.org/I180923762","ror":"https://ror.org/00rcxh774","display_name":"University of Cologne","country_code":"DE","type":"education","lineage":["https://openalex.org/I180923762"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I4210108587","ror":"https://ror.org/01wvejv85","display_name":"Kliniken Maria Hilf","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210108587"]},"years":[2026,2024,2023,2021,2018,2015,2014,2013,2012,2011]},{"institution":{"id":"https://openalex.org/I4210120689","ror":"https://ror.org/02gm5zw39","display_name":"Universit\u00e4tsklinikum Aachen","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210120689"]},"years":[2012,2011,2009,2008,2007,2006,2005,2004,2003,2001,2000]},{"institution":{"id":"https://openalex.org/I4210153755","ror":"https://ror.org/05mxhda18","display_name":"University Hospital Cologne","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210153755"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I887968799","ror":"https://ror.org/04xfq0f34","display_name":"RWTH Aachen University","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]},"years":[2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2000]},{"institution":{"id":"https://openalex.org/I926574661","ror":"https://ror.org/03s7gtk40","display_name":"Leipzig University","country_code":"DE","type":"education","lineage":["https://openalex.org/I926574661"]},"years":[2003]}],"last_known_institutions":[{"id":"https://openalex.org/I4210108587","ror":"https://ror.org/01wvejv85","display_name":"Kliniken Maria Hilf","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210108587"]}],"topics":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","count":45,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","count":39,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","count":22,"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/T10202","display_name":"Lung Cancer Diagnosis and Treatment","count":8,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T11395","display_name":"Radiopharmaceutical Chemistry and Applications","count":8,"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"}}],"topic_share":[{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","value":9.46e-05,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","value":6.83e-05,"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/T12963","display_name":"Anesthesia and Neurotoxicity Research","value":5.48e-05,"subfield":{"id":"https://openalex.org/subfields/2806","display_name":"Developmental Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","value":5.12e-05,"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/T12930","display_name":"Biomedical and Chemical Research","value":3.82e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"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":0.9538587331771851},{"id":"2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","score":0.8121039271354675},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.7706521153450012},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6822077035903931},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.611741304397583}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":11,"oa_works_count":3,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":1,"cited_by_count":161},{"year":2013,"works_count":4,"oa_works_count":0,"cited_by_count":135},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":139},{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":137},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":123},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":86},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":83},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":107},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":97},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":98},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":71},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":71},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":44}],"display_name_alternatives":["W M Schaefer","W SCHAEFER","W Schaefer","W. M. Schaefer","W. Schaefer","W.M. Schaefer","Wolfgang M Schaefer","Wolfgang M. Schaefer","Wolfgang Michael Schaefer","Wolfgang Schaefer"],"block_key":"w schaefer","works_api_url":"https://api.openalex.org/works?filter=author.id:A5083164561","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5083164561","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
