1. College of Information and Communication Engineering, Dalian Minzu University, Dalian, China
2. Web Mining Laboratory, Department of Media and Communication, City University of Hong Kong, Hong Kong Special Administrative Region, China
3. Computational Communication Research Center, Beijing Normal University, Zhuhai, China
4. School of Journalism and Communication, Beijing Normal University, Beijing, China
5. World Health Organization Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong Special Administrative Region, China
6. Department of Integrative Biology, University of Texas at Austin, Austin, Texas, USA
7. Mathematical Modelling of Infectious Diseases Unit, Institut Pasteur, Centre National de la Recherche Scientifique (CNRS), Paris, France
8. Department of Genetics, University of Cambridge, Cambridge, United Kingdom