About the Authors

Vernon J. Lee

vernonljm@hotmail.com

Affiliations Center for Health Services Research, National University of Singapore, Singapore, Singapore, Department of Epidemiology and Public Health, National University of Singapore, Singapore, Singapore, Biodefence Center, Ministry of Defence, Singapore, Singapore

Mei Yin Tok

Affiliation Center for Health Services Research, National University of Singapore, Singapore, Singapore

Vincent T. Chow

Affiliation Department of Microbiology, National University of Singapore, Singapore, Singapore

Kai Hong Phua

Affiliation Lee Kuan Yew School of Public Policy, Singapore, Singapore

Eng Eong Ooi

Affiliations Defence Science Organization National Laboratories, Singapore, Singapore, Duke-National University of Singapore Graduate Medical School, Singapore, Singapore

Paul A. Tambyah

Affiliation Department of Medicine, National University of Singapore, Singapore, Singapore

Mark I. Chen

Affiliations Duke-National University of Singapore Graduate Medical School, Singapore, Singapore, Communicable Disease Center, Tan Tock Seng Hospital, Singapore, Singapore

Competing Interests

VJL and TMY had unrelated research support from GSK. PAT had unrelated research support from Baxter, Interimmune, Lily, Merck Sharpe Dohme, Wyeth, Adamas, Merlion Pharma, and unrelated honoraria/speaker gifts from Pfizer, Bristol-Meyers-Squibb, Wyeth, Johnson & Johnson, Magenta Global, and Novartis.

Author Contributions

Conceived and designed the experiments: VJL VTC KHP EEO PT MICC. Performed the experiments: VJL MYT. Analyzed the data: VJL MYT MICC. Contributed reagents/materials/analysis tools: VJL MYT. Wrote the paper: VJL MYT VTC KHP EEO PT MICC.