1. Department of General Surgery, Daocheng County People’s Hospital, Ganzi Tibetan Autonomous Prefecture, Ganzi 627750, Sichuan, China
2. Department of Orthopedics, Second People’s Hospital of Yuhang District, Hangzhou 311100, Zhejiang, China
3. Department of Cardiovascular Medicine, Xuanhan County Hospital of Traditional Chinese Medicine, Dazhou 636150, Sichuan, China
4. Department of Urology, Baoding First Central Hospital, Baoding 071000, Hebei, China