Wong, Cho Lee
Article History
Received: 22 November 2017
Accepted: 10 May 2018
First Online: 16 May 2018
Ethics approval and consent to participate
: This study was carried out in accordance with the Declaration of Helsinki. Ethical approval from the study institution and permission to use the study instruments were obtained. Participants were informed that their participation was voluntary, and they could withdraw from the study at any time. They were also told that all the information collected would be kept confidential.
: The authors declare that they have no competing interests.
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