1. Departments of Surgery and Parenteral and Enteral Nutrition
2. School of Nursing
3. Department of Faculty and Division of Statistics, School of Nursing, The Johns Hopkins University, Baltimore, Maryland
4. Department of Surgery, Sichuan Provincial People’s Hospital, Chengdu, China
5. Department of Nutrition, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
6. Department of Surgery, South-west Hospital, Third PLA Medical University, Chongqing, China