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Authors
Choi, Ann Wing-man
Fong, Nai-chung
Li, Vivian Wing-yi
Ho, Tsz-wai
Chan, Eugene Yu-hin
Ma, Alison Lap-tak
Cheung, Yiu-fai https://orcid.org/0000-0002-7279-4992
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Article History
Received: 20 August 2019
Revised: 20 December 2019
Accepted: 15 January 2020
First Online: 3 February 2020
Compliance with ethical standards
: The study was approved by the Institutional Review Board of the Hospital Authority, Kowloon West Cluster, Hong Kong, China, and the study protocol conformed to approved guidelines and regulations.
: The authors declare that they have no conflict of interest.
