About the Authors

Andus Wing-Kuen Wong

Affiliation The University of Hong Kong, Hong Kong S.A.R., China

Jian Huang

Affiliation The Chinese University of Hong Kong, Hong Kong S.A.R., China

Hsuan-Chih Chen

hcchen@psy.cuhk.edu.hk

Affiliation The Chinese University of Hong Kong, Hong Kong S.A.R., China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AWKW HCC. Performed the experiments: AWKW JH. Analyzed the data: AWKW JH. Contributed reagents/materials/analysis tools: AWKW HCC. Wrote the paper: AWKW HCC.