About the Authors

Weng Yee Chin

Contributed equally to this work with: Weng Yee Chin, Edmond P. H. Choi, Eric Y. F. Wan

chinwy@hku.hk

Affiliation Department of Family Medicine and Primary Care, The University of Hong Kong, 3/F., 161 Main Street, Ap Lei Chau Clinic, Ap Lei Chau, Hong Kong

Edmond P. H. Choi

Contributed equally to this work with: Weng Yee Chin, Edmond P. H. Choi, Eric Y. F. Wan

Affiliation School of Nursing, The University of Hong Kong, 4/F, William M. W. Mong Block 21 Sassoon Road, Pokfulam, Hong Kong

Eric Y. F. Wan

Contributed equally to this work with: Weng Yee Chin, Edmond P. H. Choi, Eric Y. F. Wan

Affiliation Department of Family Medicine and Primary Care, The University of Hong Kong, 3/F., 161 Main Street, Ap Lei Chau Clinic, Ap Lei Chau, Hong Kong

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WYC EPHC EYFW. Performed the experiments: WYC EPHC EYFW. Analyzed the data: WYC EPHC EYFW. Contributed reagents/materials/analysis tools: WYC EPHC EYFW. Wrote the paper: WYC EPHC EYFW.