1. Department of Endocrinology, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
2. Clinical Research Center for Metabolic Disease, Lanzhou 730000, Gansu Province, China
3. School of Life Sciences, Lanzhou University, Lanzhou 730000, Gansu Province, China
4. School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China