1 Stanley Ho Centre for Emerging Infectious Diseases, The Chinse University of Hong Kong, Hong Kong, China; International Society for Infectious Diseases.
2 Fogarty International Center, National Institute of Health, Bethesda, USA.
3 International Society for Infectious Diseases; Institute for Clinical Medicine, Faculty of Health Sciences, University of Aarhus, Denmark; European Society for Clinical Microbiology and Infectious Diseases [ESCMID] Task Force for Emerging Infections, Basel, Switzerland.