1. Department of Anatomical and Cellular PathologyPrince of Wales Hospital, The Chinese University of Hong Kong Hong Kong
2. Department of SurgeryNorth District Hospital Sheung Shui, New Territories Hong Kong
3. Department of Imaging and Interventional RadiologyPrince of Wales Hospital New Territories Hong Kong
4. Department of PathologyNorth District Hospital Sheung Shui, New Territories Hong Kong