1. Division of Haematology Department of Medicine and Geriatrics Princess Margaret Hospital Hong KongChina
2. Department of Radiology Princess Margaret Hospital Hong KongChina
3. Clinical Research Centre Princess Margaret Hospital Hong KongChina
4. Department of Anatomical and Cellular Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong KongChina
5. Division of Haematology Department of Pathology Princess Margaret Hospital Hong KongChina
6. Division of Gastroenterology and Hepatology Department of Medicine and Geriatrics Princess Margaret Hospital Hong Kong China