1. Department of Pathophysiology, Research Unit of Infection and Immunity, West China College of Basic and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China
2. Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221000, P.R. China
3. Department of Physiology, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830011, P.R. China