1. Department of Geriatrics, Division of Geriatric Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, P.R. China
2. Department of Neurology, Yancheng City No. 1 People’s Hospital, Yancheng, P.R. China
3. Department of Geriatrics, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, P.R. China
4. Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, P.R. China