1. College of Emergency and Trauma, Hainan Medical University, Key Laboratory of Emergency and Trauma of Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Haikou, China
2. Key Laboratory of Emergency and Trauma Research, Hainan Medical University, Haikou, China
3. Emergency Department, Hainan General Hospital, Affiliated to Hainan Medical University, Haikou, China