1. Institute of Infectious Diseases; Beijing Ditan Hospital; Capital Medical University; Beijing China
2. Beijing Key Laboratory of Emerging Infectious Diseases; Beijing China
3. Key Laboratory of Animal Ecology and Conservation Biology; Institute of Zoology; Chinese Academy of Sciences; Beijing China
4. Beijing Advanced Innovation Center for Food Nutrition and Human Health; College of Food Science & Nutritional Engineering; China Agricultural University; Beijing China
5. The University of the Chinese Academy of Sciences; Beijing China