Division of Cardiology;
University Department of Medicine;
Queen Mary Hospital;
Hong Kong SAR;
China;
Division of Gastroenterology;
University Department of Medicine;
Queen Mary Hospital;
Hong Kong SAR;
China;
Division of Rehabilitation Medicine;
University Department of Medicine;
Queen Mary Hospital;
Hong Kong SAR;
China;
Department of Statistics and Actuarial Science;
University of Hong Kong;
Hong Kong SAR;
China;