Affiliation: | 1 Cardiology Division, Department of Medicine, Queen Mary Hospital, the University of Hong Kong, Hong Kong, China;2 Department of Echocardiography, Sichuan Academy of Medical Sciences & Sichuan Provincial People''s Hospital, Chendu, China;3 Affiliated Hospital of North Sichuan Medical College & Medical Imaging Key Laboratory, Nanchong, Sichuan Province, China;4 Nephrology Division, Department of Medicine, Tung Wah Hospital, Hong Kong, China;5 Department of Statistics and Actuarial Science, The University of Hong Kong, Hong Kong |