About the Authors

Julian W. Tang

jwtang49@hotmail.com

Affiliation Department of Laboratory Medicine, National University Hospital, Queenstown, Singapore

Andre Nicolle

Affiliation Department of Laboratory Medicine, National University Hospital, Queenstown, Singapore

Jovan Pantelic

Affiliation Department of Building, School of Design and Environment, National University of Singapore, Queenstown, Singapore

Gerald C. Koh

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

Liang De Wang

Affiliation Department of Laboratory Medicine, National University Hospital, Queenstown, Singapore

Muhammad Amin

Affiliation Department of Laboratory Medicine, National University Hospital, Queenstown, Singapore

Christian A. Klettner

Affiliation Department of Laboratory Medicine, National University Hospital, Queenstown, Singapore

David K. W. Cheong

Affiliation Department of Building, School of Design and Environment, National University of Singapore, Queenstown, Singapore

Chandra Sekhar

Affiliation Department of Building, School of Design and Environment, National University of Singapore, Queenstown, Singapore

Kwok Wai Tham

Affiliation Department of Building, School of Design and Environment, National University of Singapore, Queenstown, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JWT GK JP AN. Performed the experiments: JWT GK JP LDW MA. Analyzed the data: JWT LDW MA AN CAK. Contributed reagents/materials/analysis tools: JWT AN CAK CS DKWC KWT. Wrote the paper: JWT GK AN. Revised paper critically for important intellectual content: JWT AN JP GK LDW MA CAK DKWC CS KWT.