1. Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, China
2. Department of Acute Infectious Disease Prevention, Fuyang Center for Disease Control and Prevention, Fuyang, Anhui, China
3. Department of HIV/AIDS Prevention, Changfeng Center for Disease Control and Prevention, Changfeng, Anhui, China
4. Department of Chronic Disease Control/Prevention and Health Management, Maanshan Center for Disease Control and Prevention, Maanshan, Anhui, China
5. Department of Hospital Infection Prevention and Control, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
6. Department of Neonatology, Anhui Provincial Children’s Hospital/Children’s Hospital of Anhui Medical University, Hefei, China