1. Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210010, P.R. China
2. Department of Endocrinology, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, Jiangsu 210000, P.R. China
3. Department of Psychiatry, Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
4. National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore 169609, Singapore
5. Department of Medicine, National University of Singapore, Singapore 119074, Singapore