About the Authors

Man Ping Wang

Affiliation School of Nursing, University of Hong Kong, Hong Kong, Hong Kong

William Ho Cheung Li

Affiliation School of Nursing, University of Hong Kong, Hong Kong, Hong Kong

Nan Jiang

Affiliation School of Public Health, University of Hong Kong, Hong Kong, Hong Kong

Lai Yan Chu

Affiliation School of Nursing, University of Hong Kong, Hong Kong, Hong Kong

Antonio Kwong

Affiliation Hong Kong Council on Smoking and Health, Hong Kong, Hong Kong

Vienna Lai

Affiliation Hong Kong Council on Smoking and Health, Hong Kong, Hong Kong

Tai Hing Lam

hrmrlth@hku.hk

Affiliation School of Public Health, 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: MPW WHCL THL. Performed the experiments: MPW WHCL THL. Analyzed the data: MPW LYC. Contributed reagents/materials/analysis tools: MPW WHCL THL. Wrote the paper: MPW WHCL LYC NJ AK VL THL.