Cheung, Daphne Sze Ki https://orcid.org/0000-0001-5651-9352
Ho, Ken Hok Man
Cheung, Tsz Fung
Lam, Simon Ching
Tse, Mimi Mun Yee
Article History
Received: 16 August 2018
Accepted: 1 November 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: Written informed consent to participate in this study was obtained from all of the participants. Ethical approval for this study was obtained from the Human Research Ethics Review Committee of the Hong Kong Polytechnic University (Reference number: HSEARS20160617001).
: Not applicable.
: The authors declare that they have no competing interests.
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