About the Authors

Martin C. S. Wong

wong_martin@cuhk.edu.hk

Affiliation School of Public Health and Primary Care, Faculty of Medicine, School of Public Health and Primary Care, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, the New Territories, Hong Kong Special Administrative Region, China

Tony C. M. Lau

Affiliation School of Public Health and Primary Care, Faculty of Medicine, School of Public Health and Primary Care, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, the New Territories, Hong Kong Special Administrative Region, China

Albert Lee

Affiliation School of Public Health and Primary Care, Faculty of Medicine, School of Public Health and Primary Care, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, the New Territories, Hong Kong Special Administrative Region, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCSW AL. Performed the experiments: TCML. Analyzed the data: TCML MCSW. Contributed reagents/materials/analysis tools: MCSW TCML. Wrote the paper: MCSW TCML AL.