Department of Endocrinology, Peking University First Hospital,Beijing 100034, China;
Department of Endocrinology, West China Medical School, West China Hospital, Sichuan University, Chengdu 610041, China;
Jiangsu Province Hospital on Integration of Chinese and Western Medicine, Nanjing, China;
Beijing Tsinghua Hospital, China;
Institute of Diabetes, Zhongda Hospital, Medical School, Southeast University, Nanjing, Jiangsu 210009, China;
Department of Endocrinology, China-Japan Friendship Hospital,Beijing 100029, China;
Department of Endocrinology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, China;
Nursing Department, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China;
Department of Endocrinology and Metabolism, First Affiliated Hospital of Kunming Medical College, Kunming, Yunnan 650032,China;