1. Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
2. Center for Biosafety Research and Strategy, Tianjin University, Tianjin 300072, China
3. Evaluation and Optimization of Health Emergency Response Capacity, Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
4. Emergency Medicine, Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
5. Epidemiology and Health Statistics, Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China