About the Authors

Junxiong Pang

pangjx99@gis.a-star.edu.sg

Affiliations Infectious Diseases, Genome Institute of Singapore, Singapore, Singapore, Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Agus Salim

Affiliation Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Vernon J. Lee

Affiliations Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore, Department of Clinical Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore

Martin L. Hibberd

Affiliations Infectious Diseases, Genome Institute of Singapore, Singapore, Singapore, Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Kee Seng Chia

Affiliation Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Yee Sin Leo

Affiliations Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore, Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore

David C. Lye

Affiliations Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore, Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore

Competing Interests

The authors have read the journal's policy and have the following conflicts: VJL has received unrelated research funding from GlaxoSmithKline; YSL is a consultant to Sanofi-Pasteur.

Author Contributions

Conceived and designed the experiments: JP AS VJL MLH KSC YSL DCL. Performed the experiments: JP AS VJL DCL . Analyzed the data: JP AS VJL DCL. Contributed reagents/materials/analysis tools: JP AS VJL MLH KSC YSL DCL. Wrote the paper: JP AS VJL MLH KSC YSL DCL.