1. Department of Orthopedics, People’s Hospital of Dali Bai Autonomous Prefecture, Dali, Yunnan, China
2. Department of Gastroenterology, The People’s Hospital of Lincang City, Lincang, Yunnan, China
3. Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
4. Department of Emergency, People’s Hospital of Dali Bai Autonomous Prefecture, Dali, Yunnan, China.