1. First Department of Infectious Diseases, Chongqing Public Health Medical Center, Chongqing, China
2. Department of Emergency, Chongqing Public Health Medical Center, Chongqing, China
3. Department of General Surgery, Chongqing Public Health Medical Center, Chongqing, China
4. Department of General Internal Medicine, Chongqing Public Health Medical Center, Chongqing, China