1. Environmental Health Institute, National Environment Agency, Singapore
2. Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
3. Sungei Buloh Wetlands Reserve National Parks Board, Singapore
4. Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, PR China
5. Saw Swee Hock School of Public Health, National University of Singapore, Singapore
6. Department of Pharmacy, National University of Singapore, Singapore