1. Research Center for High Altitude Medicine, Qinghai University, Xining, China
2. Department of Qinghai University, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province, Xining, China
3. Gerontology Department, Qinghai University Affiliated Hospital, Xining, China
4. Department of General Surgery & Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command (Chengdu Military General Hospital), Chengdu, China