1. Department of Geratology, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, People’s Republic of China
2. School of Medicine, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
3. Center of Diabetes Mellitus, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, People’s Republic of China
4. Outpatient Department, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, People’s Republic of China