1. Department of Emergency Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
2. Department of General Surgery, The First People’s Hospital of Chengdu City, Chengdu, China
3. Department of Clinical Laboratory, The Second Affiliated Hospital of Guizhou Medical University, Kaili, China
4. Department of Medical Administration, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
5. Department of Gynaecology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China