Funding for this research was provided by:
Knowledge Transfer Office of HKBU (KTP/055/SEPT2017)
Received: 12 September 2019
Accepted: 29 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: All research activities were reviewed and approved by Hong Kong Baptist University Research Ethics Committee. Written informed consent was obtained from participants prior to study commencement.
: Not applicable.
: The authors declare that they have no competing interests.