1 Department of Infection Control, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China; Centre of Health Administration and Development Study, Hubei University of Medicine, Shiyan, Hubei, China.
2 Physical Examination Center, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China.
3 Department of Infection Control, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China.
4 Department of Infection Control, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.
5 Department of Infection Control, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China. Electronic address: tjxw2012@163.com.