About the Authors

Sau Ha Cheung

Affiliation Department of Surgery, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China

Wai Kei Kwok

Affiliation Department of Surgery, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China

Ka Fai To

Affiliation Department of Anatomical and Cellular Pathology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China

James Yun Wong Lau

laujyw@surgery.cuhk.edu.hk

Affiliation Department of Surgery, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WKK JYWL. Performed the experiments: SHC WKK. Analyzed the data: SHC WKK JYWL. Contributed reagents/materials/analysis tools: KFT JYWL. Wrote the paper: SHC JYWL.