1. Department of Traditional Chinese Medicine, Yuhang Branch of Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
2. Department of Gastrointestinal Surgery, Yuhang Branch of Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
3. Massage Department, Hospital of Zhejiang Provincial Integrated Chinese and Western medicine, Hangzhou, Zhejiang 310003, P.R. China