1. Beijing Center for Disease Prevention and Control, Beijing, People’s Republic of China
2. National Health Commission Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Science Research Unit (No.2019RU014), China National Center for Food Safety Risk Assessment, Beijing, People’s Republic of China
3. Shanghai Municipal Center for Disease Control and Prevention, Shanghai, People’s Republic of China
4. Sichuan Center for Disease Control and Prevention, Chengdu, People’s Republic of China
5. Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People’s Republic of China
6. Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, People’s Republic of China