790
Participants
Start Date
February 29, 2016
Primary Completion Date
September 30, 2016
Study Completion Date
September 30, 2016
Department of gastroenterology,Chinese PLA 174 Hospital, Xiamen
The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an
Xijing Hospital of Digestive Diseases, Xi'an
Air Force Military Medical University, China
OTHER