Affiliation: | 1 Department of Medicine, Tung Wah Hospital, Hong Kong SAR, People''s Republic of China;2 University of Hong Kong, Hong Kong SAR, People''s Republic of China;3 Kwong Wah Hospital, Hong Kong SAR, People''s Republic of China;4 Princess Margaret Hospital, Hong Kong SAR, People''s Republic of China;5 Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR, People''s Republic of China;6 Queen Elizabeth Hospital, Hong Kong SAR, People''s Republic of China;7 Tuen Mun Hospital, Hong Kong SAR, People''s Republic of China;8 United Christian Hospital, Hong Kong SAR, People''s Republic of China;9 Queen Mary Hospital, Hong Kong SAR, People''s Republic of China |