1. General Surgery, Affiliated Hospital of West Anhui Health Vocational College, Luan, China
2. West Anhui Health Vocational College, Luan, China
3. Critical Care Medicine, The Lu’an Hospital Affiliated to Anhui Medical University, Luan, China
4. Critical Care Medicine, The Lu’an People’s Hospital, Luan, China
5. Emergency Surgery, The Lu’an Hospital Affiliated to Anhui Medical University, Luan, China
6. Emergency Surgery, The Lu’an People’s Hospital, Luan, China