| Institution: | 1. Shanghai Municipal Center for Disease Control & Prevention, Shanghai, People’s Republic of China;2. Zhejiang Provincial Center for Disease Control & Prevention, Hangzhou, People’s Republic of China;3. Songjiang District Center for Disease Control & Prevention, Shanghai, People’s Republic of China;4. Zhabei District Center for Disease Control & Prevention, Shanghai, People’s Republic of China;5. Haiyan County Center for Disease Control & Prevention, Haiyan, People’s Republic of China;6. Anji County Center for Disease Control & Prevention, Anji, People’s Republic of China;7. Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland |
