Cheung, Janice J. C. http://orcid.org/0000-0003-1216-729X
Wong, Carlos K. H. http://orcid.org/0000-0002-6895-6071
Cheung, Leanne T. Y.
Article History
Received: 24 August 2018
Accepted: 29 November 2018
First Online: 19 December 2018
Ethics approval and consent to participate
: The study protocol was approved by the local institutional research ethics committee, Institutional Review Board of the Hospital Authority Hong Kong West Cluster. Approval and consent for access and analysis of patient’s records was obtained. The study firmly adhered to the tenets of the 1964 Helsinki declaration and its later amendments.
: Not applicable.
: The authors declare that they have no competing interests.
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