1. Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Dingjiaqiao No. 87, Nanjing, China
2. Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
3. Department of Pneumology, Zhongda Hospital, Southeast University, Nanjing, China
4. Division of Sports and Rehabilitation Medicine, Ulm University Medical Center, Ulm, Germany