1. Department of Parenteral and Enteral Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
2. Department of Clinical Nutrition, Affiliated Hospital of Taishan Medical University, Taian, Shandong, China
3. Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, Medical School, Southeast University, Nanjing, Jiangsu, China
4. Department of Clinical Nutrition, Peking University First Hospital, Beijing, China
5. Abbott Nutrition Research & Development, Shanghai, China
6. Statistics Office, Peking University First Hospital, Beijing, China
7. Department of Endocrinology, Peking University First Hospital, Beijing, China
8. Diabetes Care and Education Study Group, China Diabetes Society, Beijing, China