{"id":"https://openalex.org/A5067289100","orcid":"https://orcid.org/0000-0002-0089-7669","observed_orcids":["https://orcid.org/0000-0002-0089-7669"],"display_name":"Leon Louis Seifert","raw_author_names":["L L Seifert","L Seifert","L.L. Seifert","Leon L Seifert","Leon L. Seifert","Leon Louis Seifert","Leon Seifert","Leona Seifert"],"full_name":"Leon Louis Seifert","works_count":34,"cited_by_count":455,"summary_stats":{"2yr_mean_citedness":3.888888888888889,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5067289100","orcid":"https://orcid.org/0000-0002-0089-7669","observed_orcids":["https://orcid.org/0000-0002-0089-7669"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210093632","ror":"https://ror.org/00jjq6q61","display_name":"Rockefeller University Hospital","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210093632"]},"years":[2026,2024]},{"institution":{"id":"https://openalex.org/I4210094062","ror":"https://ror.org/00q1fsf04","display_name":"University Medical Center of the Johannes Gutenberg University Mainz","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210094062"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210103666","ror":"https://ror.org/01856cw59","display_name":"University Hospital M\u00fcnster","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210103666"]},"years":[2026,2025,2024,2022,2021,2020,2018,2016,2015]},{"institution":{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]},"years":[2026,2025,2024,2019]}],"last_known_institutions":[{"id":"https://openalex.org/I4210093632","ror":"https://ror.org/00jjq6q61","display_name":"Rockefeller University Hospital","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210093632"]},{"id":"https://openalex.org/I4210103666","ror":"https://ror.org/01856cw59","display_name":"University Hospital M\u00fcnster","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210103666"]},{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]}],"topics":[{"id":"https://openalex.org/T10337","display_name":"Liver Disease and Transplantation","count":18,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10999","display_name":"Organ Transplantation Techniques and Outcomes","count":18,"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/T10151","display_name":"Hepatitis C virus research","count":11,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10340","display_name":"Hepatitis B Virus Studies","count":8,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10351","display_name":"Liver Disease Diagnosis and Treatment","count":6,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10999","display_name":"Organ Transplantation Techniques and Outcomes","value":6.2e-05,"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/T10337","display_name":"Liver Disease and Transplantation","value":5.57e-05,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10151","display_name":"Hepatitis C virus research","value":3.88e-05,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10340","display_name":"Hepatitis B Virus Studies","value":3.22e-05,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10351","display_name":"Liver Disease Diagnosis and Treatment","value":1.98e-05,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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":0.9856624603271484},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7238725423812866},{"id":"159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","score":0.7164000272750854},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.6802829504013062},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.5623000264167786}],"counts_by_year":[{"year":2015,"works_count":3,"oa_works_count":1,"cited_by_count":1},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":8},{"year":2021,"works_count":5,"oa_works_count":3,"cited_by_count":43},{"year":2022,"works_count":3,"oa_works_count":3,"cited_by_count":52},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":58},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":60},{"year":2025,"works_count":6,"oa_works_count":3,"cited_by_count":97},{"year":2026,"works_count":9,"oa_works_count":6,"cited_by_count":106}],"display_name_alternatives":["L L Seifert","L Seifert","L.L. Seifert","Leon L Seifert","Leon L. Seifert","Leon Louis Seifert","Leon Seifert","Leona Seifert"],"block_key":"l seifert","works_api_url":"https://api.openalex.org/works?filter=author.id:A5067289100","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}