About the Authors

Tau-Hong Lee

tau_hong_lee@ttsh.com.sg

Affiliation Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore

Joshua G. X. Wong

Affiliation Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore

Yee-Sin Leo

Affiliations Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore

Tun-Linn Thein

Affiliation Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore

Ee-Ling Ng

Affiliation Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore

Linda K. Lee

Affiliation Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore

David C. Lye

Affiliations Communicable Disease Center, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCL YSL. Performed the experiments: TLT DCL YSL. Analyzed the data: JGXW THL DCL YSL LKL. Contributed reagents/materials/analysis tools: JGXW LKL. Wrote the paper: THL ELN DCL JGXW.