Funding for this research was provided by:
Health and Medical Research Fund (05163456)
Received: 27 June 2020
Accepted: 25 August 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: The study has been approved by the Institutional Review Board of Queen Mary Hospital (UW 05-269 T/932) and written informed consent has been obtained from patients for the participation of this study.
: We have obtained consents from patients for the publication of this report and any accompanying data or images.
: The authors declare that they have no competing interests.