1. Department of Clinical Nutrition, Daping Hospital Army Medical University (Third Military Medical University) Chongqing China
2. Institute of Hepatopancreatobiliary Surgery, Southwest Hospital Army Medical University (Third Military Medical University) Chongqing China
3. Department of Respiratory and Critical Medicine, Daping Hospital Army Medical University (Third Military Medical University) Chongqing China
4. Cancer Center of the First Hospital of Jilin University Changchun Jilin China
5. Department of Epidemiology, College of Public Health Zhengzhou University Zhengzhou Henan China
6. Department of Gastrointestinal Surgery Department of Clinical Nutrition, Beijing Shijitan Hospital Capital Medical University Beijing China