About the Authors

Foong Ming Moy

moyfm@ummc.edu.my

Affiliation Julius Centre University of Malaya, Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

Victor Chee Wai Hoe

Affiliation Centre for Occupational and Environmental Health-UM, Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

Noran Naqiah Hairi

Affiliation Julius Centre University of Malaya, Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

Anne Hin Yee Chu

Affiliations Julius Centre University of Malaya, Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia, Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Awang Bulgiba

Affiliation Julius Centre University of Malaya, Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

David Koh

Affiliations PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Brunei, Brunei Darussalam, Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FMM VCWH NNH AB AHYC DK. Performed the experiments: FMM AHYC. Analyzed the data: FMM. Contributed reagents/materials/analysis tools: FMM. Wrote the paper: FMM VCWH NNH AB AHYC DK.