1. Department of Microbiological Laboratory Technology, School of Public Health, Cheeloo College of Medicine, Shandong University, Key laboratory for the prevention and control of infectious diseases (key labor-atory of China’s “13th Five-Year”, Shandong University), Jinan, China
2. Shandong Center for Disease Control and Prevention, Shandong Provincial Key Laboratory of Infectious Disease Prevention and Control, Jinan, China
3. School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai’an, China
4. School of Public Health, Weifang Medical University, Weifang, China
5. Department of Infectious Disease Prevention and Control, Jining City Center for Disease Control and Prevention, Jining, China
6. Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Veneorology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
7. Department of Andrology, Shandong Oriental Andrology Hospital, Jinan, China