About the Authors

Hon-Cheong So

Affiliation Department of Psychiatry, University of Hong Kong, Hong Kong SAR, China

Benjamin H. K. Yip

Affiliation Department of Psychiatry, University of Hong Kong, Hong Kong SAR, China

Pak Chung Sham

pcsham@hkucc.hku.hk

Affiliations Department of Psychiatry, University of Hong Kong, Hong Kong SAR, China, Genome Research Centre, University of Hong Kong, Hong Kong SAR, China, The State Key Laboratory of Brain and Cognitive Sciences, University of Hong Kong, Hong Kong SAR, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HCS PCS. Performed the experiments: HCS. Analyzed the data: HCS PCS. Wrote the paper: HCS. Developed the statistical methodologies: PCS HCS. Supervised the study: PCS. Assisted in data analysis and presentation: BHKY.