1. Institute of Disease Control and Prevention; Academy of Military Medical Sciences; Beijing China
2. Emergency Department; Fifth Affiliated Hospital of Zhengzhou University; Zhengzhou China
3. College of Food Science and Engineering; Northwest A and F University; Yangling China
4. College of Food Science; South China Agricultural University; Guangzhou China
5. Tianjin Institute of Health and Environmental Medicine; Key Laboratory of Risk Assessment and Control for Environment and Food Safety; Tianjin China