1. Outpatient Department, Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
2. Nursing Department, Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
3. Department of Internal Medicine, Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
4. Department of Endocrinology, Key Laboratory of Endocrinology of National Health Commission Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China