Peking University First Hospital, Beijing, China
Peking University Third Hospital, Beijing, China
West China Hospital, Sichuan University, Chengdu, China
Louisiana Research Center, LLC, Shreveport, Louisiana, United States
CHU de Liège; Tour de Pathologie, Liège, Belgium
Gastroenterology Center of the Midsouth, P.C., Memphis, Tennessee, United States
University of Miami School of Medicine - Sylvester at Deerfield, Deerfield Beach, Florida, United States
Pen Memory Center, Philadelphia, Pennsylvania, United States
St Mary's Hospital, London, United Kingdom
Irccs Crob, Rionero in Vulture, Basilicata, Italy
Hôpital St Jacques de Besançon; (Dermatology), Besançon, France
Hopital Saint Andre CHU De Bordeaux; Dermatologie, Bordeaux, France
Washington University, Saint Louis, Missouri, United States
University Health Network; Princess Margaret Hospital; Medical Oncology Dept, Toronto, Ontario, Canada
University of Colorado, Aurora, Colorado, United States