Chung-Ming Chu*, Vincent C.C. Cheng†, Ivan F.N. Hung†, Kin-Sang Chan*, Bone S.F. Tang†, Thomas H.F. Tsang‡, Kwok-Hung Chan†, and Kwok-Yung Yuen†
Author affiliations: *United Christian Hospital, Hong Kong Special Administrative Region, People's Republic of China; †University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China; ‡Department of Health, Hong Kong Special Administrative Region, People's Republic of China
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