1. Department of Clinical Oncology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
2. Department of Clinical Oncology, Queen Mary Hospital, Hong Kong SAR, China
3. Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
4. Department of Clinical Oncology, Tuen Mun Hospital, Hong Kong SAR, China
5. Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
6. Department of Oncology, Princess Margaret Hospital, Hong Kong SAR, China; Department of Pathology, School of Clinical Medicine, The University of Hong Kong, Hong Kong SAR, China
7. Department of Surgery, Prince of Wales Hospital, Hong Kong SAR, China
8. Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong SAR, China
9. Department of Pathology, School of Clinical Medicine, The University of Hong Kong, Hong Kong SAR, China
10. Department of Anatomical and Cellular Pathology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
11. Department of Surgery and Combined Endoscopy Unit, Caritas Medical Centre, Hong Kong SAR, China