About the Authors

Martin C. S. Wong

Affiliations Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China, School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Hoyee W. Hirai

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Arthur K. C. Luk

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Thomas Y. T. Lam

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Jessica Y. L. Ching

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Sian M. Griffiths

Affiliation School of Public Health and Primary Care, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Francis K. L. Chan

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China

Joseph J. Y. Sung

jjysung@cuhk.edu.hk

Affiliation Institute of Digestive Disease, Faculty of Medicine, Chinese 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: MCSW HWH AKCL TYTL JYLC SMG FKLC JJYS. Performed the experiments: MCSW HWH AKCL TYTL JYLC. Analyzed the data: MCSW HWH AKCL TYTL JYLC SMG FKLC JJYS. Contributed reagents/materials/analysis tools: MCSW HWH AKCL TYTL JYLC. Wrote the paper: MCSW HWH AKCL TYTL JYLC SMG FKLC JJYS.