University of Missouri-Columbia, Columbia, Missouri, United States
Colon & Rectal Surgery Associates, St. Paul, Minnesota, United States
Lahey Clinic, Burlington, Massachusetts, United States
Klinika Chirurgii Ogolnej Onkologicznej i Klatiki Piersiowej CSK WAM, Warsaw, Poland
Copenhagen University Hospital, Rigshospitalet Department of Gastroenterologic Surgery, Copenhagen, Denmark
Söder Sjukhuset, Department of Surgery, Stockholm, Sweden
Bejing No.3 Hospital, Beijing, China
Renji Hospital, Shanghai, Shanghai, China
Semmelweis Egyetem Ortopédiai Klinika, Budapest, Hungary
Réthy Pál Kórház-Rendelőintézet, Békéscsaba, Hungary
Esztergom Város Önkormányzat Vaszary Kolos Kórháza, Esztergom, Hungary
University Dental Hospital of Manchester, Manchester, England, United Kingdom
University Dental Hospital NHS Trust Cardiff, Cardiff, Wales, United Kingdom
Kaiser Santa Clara - Homestead, Santa Clara, California, United States
Nephrology Specialists, Michigan City, Indiana, United States
Dialysis Center of Lincoln, Lincoln, Nebraska, United States