First Hospital, Zhejiang University Medical College, Hangzhou, China
Jiangsu Province Hospital, Nanjing, China
Ruijin Hospital Shanghai Jiao Tong University, Shanghai, China
Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto Hospital de Base, Sao Jose do Rio Preto, Brazil
Digestive Health Specialists of the Southeast, Dothan, Alabama, United States
Advanced Gastro P.C, Chandler, Arizona, United States
Hosp. Gral. Univ. Gregorio Maranon, Madrid, Spain
Global Clinical Trials PE, Pretoria, South Africa
Emory University, Atlanta, Georgia, United States
PRA Health Sciences, Groningen, Netherlands
Janssen R&D, LLC, Titusville, New Jersey, United States
Clinical Pharmacology Unit, Merksem, Belgium
Peking University Third Hospital, Beijing, China
Harrisburg Family Medical Center, Harrisburg, Arkansas, United States
Innovative Research of West Florida, Incorporated, Clearwater, Florida, United States
New Life Medical Research Center, Inc., Hialeah, Florida, United States
Irccs Ospedale Maggiore Di Milano, Milano, Italy
New Zealand Clinical Research, Auckland, New Zealand
ID Clinic, Myslowice, Poland