About the Authors

Christopher W. K. Lai

chris.lai@polyu.edu.hk

Affiliation Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, HKSAR, China

Helen K. W. Law

Affiliation Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, HKSAR, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CL HL. Performed the experiments: CL. Analyzed the data: CL. Contributed reagents/materials/analysis tools: CL. Wrote the paper: CL.