Lianyong Li is a Chief Physician and the Director at the Department of Gastroenterology, The Ninth Medical Center of Chinese PLA General Hospital, Beijing, China.
Xinke Sui is an Associate Chief Physician at the Department of Gastroenterology, The Ninth Medical Center of Chinese PLA General Hospital, Beijing, China.
Qiang Cai is a Director of the Division of Gastroenterology and Hepatology, Louisiana State University Health Sciences Center School of Medicine, USA