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Authors
Li, Vivian Wing-yi
Wong, Jasmine Yan-lam
Wang, Chuan
Chow, Pak-cheong
Cheung, Yiu-fai https://orcid.org/0000-0002-7279-4992
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Article History
Received: 30 January 2020
Accepted: 6 May 2020
First Online: 11 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The review of clinical records, without additional procedures performed in patients and the need to obtain informed consent, was approved by the Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster, Hong Kong, China, and in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
