Li, Jinhui
Lam, Amy S. M.
Yau, Sarah T. Y.
Yiu, Karen K. L.
Tsoi, Kelvin K. F.
Article History
Received: 7 April 2021
Accepted: 1 November 2021
First Online: 11 November 2021
Declarations
:
: This study followed the standard guidelines of Strengthening the Reporting of Observational Studies in Epidemiology (STROBE). Due to that all the patients were reached anonymously and allocated by a special identifier according to the policy of Hong Kong Hospital Authority from Hong Kong government, the consent to participate was not applicable and the informed consent was waived, by the ethical approval reached from the Joint Chinese University of Hong Kong - New Territories East Cluster Clinical Research Ethics Committee.
: Not applicable.
: The authors have declared that no conflict of interest exists.