Department of Gastroenterology;
Renmin Hospital of Wuhan University;
238 Jiefang Road;
Wuhan 430060;
Hubei Province;
China;
Educational Administration Office;
Renmin Hospital of Wuhan University;
238 Jiefang Road;
Wuhan 430060;
Hubei Province;
China;
Department of Obstetrics and Gynecology;
Hubei Xinhua Hospital;
5-6 Xin Tian Men Dun;
Wuhan 430015;
Hubei Province;
China;
Faculty of Anatomy and Embryology;
Wuhan University School of Modcine;
Wuhan 430071;
Hubei Province;
China;