1. Department of Orthopaedic, Second People’s Hospital of Gansu Province, No. 1 Hezheng West Street, Chengguan District, Lanzhou City, Gansu Province, 730000, China
2. Department of General Surgery, Second People’s Hospital of Gansu Province, 730000, Lanzhou, Gansu, China
3. Department of Endocrine, Second People’s Hospital of Gansu Province, 730000, Lanzhou, Gansu, China