About the Authors

Brian C. W. Kot

briankot@yahoo.co.uk

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

Michael T. C. Ying

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

Fiona M. Brook

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BCWK MTCY FMB. Performed the experiments: BCWK. Analyzed the data: BCWK. Contributed reagents/materials/analysis tools: BCWK. Wrote the paper: BCWK.