About the Authors

Frances S. K. Yu

Contributed equally to this work with: Frances S. K. Yu, Benjamin H. K. Yip

Affiliation Department of Family Medicine, New Territories East Cluster, Hospital Authority, Hong Kong SAR, The People's Republic of China

Benjamin H. K. Yip

Contributed equally to this work with: Frances S. K. Yu, Benjamin H. K. Yip

Affiliation School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China

Kenny Kung

Affiliation Department of Family Medicine and Primary Care, The University of Hong Kong, Hong Kong SAR, The People's Republic of China

Colman S. C. Fung

Affiliation Department of Family Medicine and Primary Care, The University of Hong Kong, Hong Kong SAR, The People's Republic of China

Carmen K. M. Wong

Affiliation School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China

Augustine T. Lam

Affiliation Department of Family Medicine, New Territories East Cluster, Hospital Authority, Hong Kong SAR, The People's Republic of China

Stewart W. Mercer

Affiliation Institute of Health and Wellbeing, University of Glasgow, Glasgow, United Kingdom

Samuel Y. S. Wong

yeungshanwong@cuhk.edu.hk

Affiliation School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FSKY KK SYSW SM CSCF ATL. Performed the experiments: FSKY SYSW KK. Analyzed the data: BHKY FSKY CKMW. Contributed reagents/materials/analysis tools: BHKY SYSW SM CSCF. Wrote the paper: FSKY BHKY KK SYSW CKMW SM CSCF ATL.