1 Institute of Infectious and Endemic Diseases Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China.
2 Institute of Infectious and Endemic Diseases Control, Beijing Center for Disease Prevention and Control, Beijing 100013, China;School of Public Health, Capital Medical University, Beijing 100069, China.
3 School of Public Health, Capital Medical University, Beijing 100069, China;Beijing Office of Center for Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China.
4 Beijing Office of Center for Global Health, Beijing Center for Disease Prevention and Control, Beijing 100013, China.