{"schema_version":"1","generated_at":"2026-11-04T14:32:11.185Z","data_as_of":null,"url":"https://www.findmykol.com/kol/sjef-verbeek","json_url":"https://www.findmykol.com/kol/sjef-verbeek/profile.json","record_kind":"basic","profile_kind":"research","person":{"slug":"sjef-verbeek","name":"Sjef J. Verbeek","specialty":"Medicine","therapeutic_area":"Rheumatology/Immunology","therapeutic_areas":["Rheumatology/Immunology"],"institution":"Toin University of Yokohama","institution_url":"https://www.findmykol.com/institution/toin-university-of-yokohama","register":{"country":"JP"}},"identifiers":{"openalex":"A5110545588"},"summary":"Sjef J. Verbeek is a Rheumatology/Immunology researcher affiliated with Toin University of Yokohama. OpenAlex indexes 89 publications with 7,412 citations (h-index 35).","overview":null,"focus":{"indications":[],"research_topics":["Rheumatology/Immunology"]},"scholarship":{"works_count":89,"cited_by_count":7412,"h_index":35,"source":"works"},"payments":{"note":"Not applicable. This profile is anchored outside the United States, where CMS Open Payments and Medicare prescribing do not report."},"similar":[{"name":"Sachiko Hirose","slug":"sachiko-hirose","institution":"Toin University of Yokohama","url":"https://www.findmykol.com/kol/sachiko-hirose","json_url":"https://www.findmykol.com/kol/sachiko-hirose/profile.json"},{"name":"Hiromi Hagiwara","slug":"hiromi-hagiwara","institution":"Toin University of Yokohama","url":"https://www.findmykol.com/kol/hiromi-hagiwara","json_url":"https://www.findmykol.com/kol/hiromi-hagiwara/profile.json"},{"name":"Tomomi Shimizu","slug":"tomomi-shimizu","institution":"Toin University of Yokohama","url":"https://www.findmykol.com/kol/tomomi-shimizu","json_url":"https://www.findmykol.com/kol/tomomi-shimizu/profile.json"},{"name":"Tetsuzo Agishi","slug":"tetsuzo-agishi","institution":"Toin University of Yokohama","url":"https://www.findmykol.com/kol/tetsuzo-agishi","json_url":"https://www.findmykol.com/kol/tetsuzo-agishi/profile.json"},{"name":"David Felson","slug":"david-felson","institution":"Boston University","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/david-felson","json_url":"https://www.findmykol.com/kol/david-felson/profile.json"},{"name":"Marc Hochberg","slug":"marc-hochberg","institution":"University of Maryland School of Medicine","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/marc-hochberg","json_url":"https://www.findmykol.com/kol/marc-hochberg/profile.json"},{"name":"Philip Mease","slug":"philip-mease","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/philip-mease","json_url":"https://www.findmykol.com/kol/philip-mease/profile.json"},{"name":"Michelle Petri","slug":"michelle-petri","institution":"Johns Hopkins University School of Medicine","specialty":"Rheumatology","url":"https://www.findmykol.com/kol/michelle-petri","json_url":"https://www.findmykol.com/kol/michelle-petri/profile.json"}],"coverage":{"note":"A basic directory record. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["funding","congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. Judgments (influence tier, archetype, trajectory commentary) and the itemized rows past each section's public teaser are account features and are not served here or to crawlers.","withheld_rows":{}},"sources":{"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"}},"methodology_url":"https://www.findmykol.com/about#methodology"}