1. Beijing Center for Disease Prevention and Control, Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing, China
2. School of Cyber Science and Engineering, Qufu Normal University, Qufu, Shandong, China
3. School of Public Health, Capital Medical University, Beijing, China
4. School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China