Yeung, Andy Wai Kan http://orcid.org/0000-0003-3672-357X
Article History
Received: 16 April 2019
Accepted: 25 September 2019
First Online: 17 October 2019
Compliance with Ethical Standards
:
: The author declares that he has no conflict of interest.
: No informed consent is required for this study.
: Restricted data from HCP project that may identify patients was not obtained or involved in the current study. Ethical approval was not needed after consulting the Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (HKU/HA HKW IRB).