Article History
Received: 11 October 2020
Accepted: 26 April 2021
First Online: 3 May 2021
Declarations
:
: The project was conducted in full accordance with the World Medical Association Declaration of Helsinki and approved by The University of Hong Kong/Hospital Authority Hong Kong West Cluster Institutional Review Board (Reference no. UW12-081). Informed written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests in this study. No financial or non-financial interests influenced the interpretation of the data or presentation of the information.