1. Department of Endocrinology & Metabolism, West China Hospital, Sichuan University, Chengdu, China
2. Innovation Center for Wound Repair, Diabetic Foot Care Center, West China Hospital, Sichuan University, Chengdu, China
3. Department of Clinical Research Management, West China Hospital, Sichuan University, Chengdu, China
4. Chinese Cochrane Centre, Chengdu, China
5. West China School of Nursing, Sichuan University, Chengdu, China
6. Wannian Community Health Center in Chenghua District, Chengdu, China
7. Baohe Community Health Center in Chenghua District, Chengdu, China
8. Department of Endocrinology & Metabolism, West China Hospital, Sichuan University, 37 Guoxue Lane, Wuhou District, Chengdu, Sichuan, China
9. West China School of Nursing, Sichuan University, Chengdu 610041, China