About the Authors

Regina W. S. Sit

reginasit@cuhk.edu.hk

Affiliation School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong

Benjamin H. K. Yip

Affiliation School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong

Dicken C. C. Chan

Affiliation School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong

Samuel Y. S. Wong

Affiliation School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RWSS BHKY SYSW. Performed the experiments: RWSS BHKY DCCC SYSW. Analyzed the data: RWSS BHKY DCCC SYSW. Contributed reagents/materials/analysis tools: RWSS BHKY DCCC SYSW. Wrote the paper: RWSS BHKY SYSW.