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Authors
Hung, Kuo Feng
Ai, Qi Yong H.
King, Ann D.
Bornstein, Michael M.
Wong, Lun M.
Leung, Yiu Yan https://orcid.org/0000-0002-6670-6570
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Article History
Received: 22 October 2021
Accepted: 29 December 2021
First Online: 15 January 2022
Declarations
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: All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol was submitted to and approved by the local institutional review board (IRB) of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (approval number UW 21-446).
: For this type of study (retrospective study), formal consent is not required.
: The authors declare no competing interests.
