1. Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
2. Department of Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
3. Department of Geriatrics, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
4. Department of Medicine, Emanuel Medical Center, Turlock, California, USA
5. Institute of Endocrinology and Diabetology, Fudan University, Shanghai, China