Funding for this research was provided by:
Hospital Authority (HA820/126/19/19/14/6/12/1)
Received: 4 January 2020
Accepted: 23 October 2020
First Online: 3 November 2020
Ethics approval and consent to participate
: All procedures were performed in accordance with the guidelines of Hong Kong Baptist University Ethics Committee.
: All the authors were concerned and agreed to publish before the submission.
: The authors declare that there is no competing interests regarding the publication of this paper.