1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China
2. College of Resources and Environment University of Chinese Academy of Sciences Beijing China
3. Chinese National Influenza Center National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention Beijing China
4. Division of Infectious Diseases Chinese Center for Disease Control and Prevention Beijing China
5. School of Public Health Southeast University Nanjing China
6. College of Art and Science Ohio State University Columbus Ohio USA
7. National Institute for Communicable Disease Control and Prevention Chinese Center for Disease Control and Prevention Beijing China