1. Center of Diabetes Mellitus, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China (mainland)
2. Department of Endocrinology, People’s Hospital of Aba Tibetan and Qiang Autonomous Prefecture, Barkam, Qiang, China (mainland)
3. Department of Elderly Endocrinology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, Chengdu, Sichuan, China (mainland)