1 Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Beijing 100730, China.
2 Department of Basic Physiology, The Health School Affiliated to Capital Medical University, China.
3 Department of Nutrition, Peking Union Medical College Hospital, Beijing 100730, China.
4 State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medical Sciences and Peking Union Medical College, Beijing 100050, China.
5 Diabetes Research Center of Chinese Academy of Medical Sciences, Beijing 100050, China.