About the Authors

Wing Yan Lau

Roles Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft

Affiliation Public Health Research Group, School of Optometry, The Hong Kong Polytechnic University, Hong Kong, SAR, China

Jinxiao Lian

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

jinxiao.lian@polyu.edu.hk

Affiliation Public Health Research Group, School of Optometry, The Hong Kong Polytechnic University, Hong Kong, SAR, China

Maurice Yap

Roles Conceptualization, Writing – review & editing

Affiliation Public Health Research Group, School of Optometry, The Hong Kong Polytechnic University, Hong Kong, SAR, China

Competing Interests

The authors have declared that no competing interests exist.