1 Key Laboratory of Endocrinology of National Health Commission, Dept. of Endocrinology, Peking Union Medical College Hospital, Translation Medicine Centre, CAMS & PUMC, Beijing 100730, China; Graduate School, Hebei North University, Zhangjiakou 075000, Hebei, China; Linfen Central Hospital, Linfen 041000, Shanxi, China.
2 Key Laboratory of Endocrinology of National Health Commission, Dept. of Endocrinology, Peking Union Medical College Hospital, Translation Medicine Centre, CAMS & PUMC, Beijing 100730, China; Dept. of Endocrinology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang Provincial First Hospital of Wenzhou, Wenzhou 325000, Zhejiang, China.
3 Key Laboratory of Endocrinology of National Health Commission, Dept. of Endocrinology, Peking Union Medical College Hospital, Translation Medicine Centre, CAMS & PUMC, Beijing 100730, China.
4 Dept. of Epidemiology and Health Statistics, Institute of Basic Medical Sciences, CAMS & PUMC, Beijing 100005, China.
5 Guizhou Provincial Center for Disease Control and Prevention, Guiyang 550004, Guizhou, China.
6 Longli Center for Disease Control and Prevention, Longli 551200, Guizhou, China.