1. Department of Endocrinology, Wuxi No. 2 People's Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu 214002, P.R. China
2. Department of Rehabilitation, Jiangsu Provincial Research Center for Health Assessment and Intervention, Jiangsu Provincial Taihu Sanatorium, Wuxi, Jiangsu 214086, P.R. China
3. Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
4. Micro PET Center, Jiangsu Institution of Nuclear Medicine, Wuxi, Jiangsu 214063, P.R. China
5. Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
6. Internal Medicine, Jiangsu Provincial Research Center for Health Assessment and Intervention, Jiangsu Provincial Taihu Sanatorium, Wuxi, Jiangsu 214086, P.R. China
7. Department of Radiology, Jiangsu Provincial Research Center for Health Assessment and Intervention, Jiangsu Provincial Taihu Sanatorium, Wuxi, Jiangsu 214086, P.R. China
8. Clinical Laboratory, Jiangsu Provincial Research Center for Health Assessment and Intervention, Jiangsu Provincial Taihu Sanatorium, Wuxi, Jiangsu 214086, P.R. China