1. The First Convalescence Area, Hangzhou Aeronautical Sanatorium of Chinese Air Force, Hangzhou, China
2. Department of Cardiology, No. 903 Hospital of People’s Liberation Army, Hangzhou, China
3. Departmemt of Endocrinology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
4. Management department, Hangzhou Aeronautical Sanatorium of Chinese Air Force, Hangzhou, China