Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Shanghai Institute of Pancreatic Diseases;
Shanghai 200433;
China;
Department of Radiology;
Shanghai First People's Hospital;
Shanghai 200080;
China;
Department of Pathology;
Peking Union Medical College Hospital;
Beijing 100730;
China;
Department of Gastroenterology;
Xijing Hospital;
Fourth Military Medical University;
Xi'an 710032;
China;
Department of General Surgery;
Peking Union Medical College Hospital;
Beijing 100730;
China;
Department of Hepatobiliary Pancreatic Surgery;
First Affiliated Hospital of Zhejiang University School of Medicine;
Hangzhou 310003;
China;
Department of Digestive Endoscopy;
Beijing Friendship Hospital;
Capital Medical University;
Beijing 100050;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Shanghai Institute of Pancreatic Diseases;
Shanghai 200433;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Shanghai Institute of Pancreatic Diseases;
Shanghai 200433;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Shanghai Institute of Pancreatic Diseases;
Shanghai 200433;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Department of Gastroenterology;
Heilongjiang Provincial Hospital;
Harbin 150030;
China;
Department of Hepatobiliary Pancreatic Surgery;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Department of Hepatobiliary Surgery;
First Affiliated Hospital of Xi'an Jiaotong University;
Xi'an 710061;
China;
Department of Gastroenterology;
Digestive Endoscopy Center;
Changhai Hospital;
Naval Medical University;
Shanghai 200433;
China;
Shanghai Clinical Center for Endocrine and Metabolic Diseases;
Ruijin Hospital;
School of Medicine;
Shanghai Jiaotong University;
Shanghai 200025;
China;