About the Authors

Yao Jie Xie

Affiliation School of Public Health, The University of Hong Kong, Hong Kong SAR, China

Sunita M. Stewart

Affiliation Department of Psychiatry, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, United States of America

Tai Hing Lam

hrmrlth@hku.hk

Affiliation School of Public Health, The University of Hong Kong, Hong Kong SAR, China

Kasisomayajula Viswanath

Affiliation Center for Community-Based Research, Dana-Farber Cancer Institute/Department of Society and Behavioral Sciences, Harvard School of Public Health, Boston, Massachusetts, United States of America

Sophia S. Chan

Affiliation School of Nursing, The University of Hong Kong, Hong Kong SAR, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: THL SSC. Performed the experiments: THL SSC. Analyzed the data: YJX SMS. Contributed reagents/materials/analysis tools: KV. Wrote the paper: YJX SMS THL KV.