Received: 30 March 2020
Accepted: 7 September 2020
First Online: 23 September 2020
Ethics approval and consent to participate
: This study has been approved by the Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (IRB Reference Number: UW 20–578). The authors’ access to the study data, which were collected by the authors during their course of clinical practice, did not require administrative permissions or licenses. All patients gave their written informed consent to collection and use of their data for research purposes. No individual patients can be identified by the anonymous data used in this study.
: Not applicable.
: The authors declare that they have no competing interests.