Gastroenterology Associates of Western Michigan, PLC, d.b.a. West Michigan Clinical Research, Wyoming, Michigan, United States
Henry Ford Health System, Detroit, Michigan, United States
Wojewodzki Szpital Obserwacyjno-Zakazny im. Tadeusza w Bydgoszczy, Bydgoszcz, Kujawsko-pomorskie, Poland
St George's Healthcare NHS Trust, London, United Kingdom
Sunnybrook Health Sciences Centre, Toronto, Canada
Prahran Market Clinic, Prahran, Victoria, Australia
Infectious Disease Specialists of Atlanta, Decatur, Georgia, United States
Prime healthcare services - St Michael's LLC d/b/a Saint Michael's medical center, Newark, New Jersey, United States
Augusta University, Augusta, Georgia, United States
Capital Medical Associates, P.C., Washington, District of Columbia, United States
Georgetown University, Washington, District of Columbia, United States
Azienda Ospedale San Paolo, Monza, Italy