Chinese Gastric Cancer Association, Chinese Anti-Cancer Association, Expert Working Group of Society of Upper Gastrointestinal Surgeons, Chinese College of Surgeons, Chinese Medical Doctor Association, Digestive System Disease Branch of Chinese Geriatric Society, Digestive Tract Cancer Committee of Chinese Research Hospital Association
Expert Committee on Minimally Invasive Oncology Surgery, Chinese Society of Clinical Oncology, Colorectal Surgery Group, Chinese Society of Surgery, Chinese Medical Association
