1. Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, Prince of Wales Hospital The Chinese University of Hong Kong Hong Kong SAR PR China
2. Institute of Digestive Disease, State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong Hong Kong SAR PR China
3. Department of Pathology National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing PR China
4. Division of Colorectal Surgery, Department of Surgery Prince of Wales Hospital, The Chinese University of Hong Kong Hong Kong SAR PR China