About the Authors

Joseph T. F. Lau

jlau@cuhk.edu.hk

Affiliations Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China, Centre for Medical Anthropology and Behavioral Health, Sun Yat-sen University, Guangzhou, China

Zixin Wang

Affiliation Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China

Jean H. Kim

Affiliation Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China

Mason Lau

Affiliation Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China

Coco H. Y. Lai

Affiliation Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China

Phoenix K. H. Mo

Affiliation Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China

Competing Interests

This study was funded by Merck Sharp & Dohme (Asia) Ltd. (MSD ref: IISP 37671). The authors declare that none of the authors served as paid employees, consultants or board members of above mentioned company. No patent has been applied in this study. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Revision for resubmission: JL ZW JK. Conceived and designed the experiments: JL. Performed the experiments: ML. Analyzed the data: ZW CL. Wrote the paper: JL CL ZW PM JK.