Funding for this research was provided by:
National Medical Research Council (HSRG-0045-2013)
Received: 31 May 2018
Accepted: 28 March 2019
First Online: 17 April 2019
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the National Healthcare Group Domain Specific Review Board (Ref. 2013/00747) as well as the SingHealth Centralised Institutional Review Board (Ref. 2015/2041). All participants read and signed the written informed consent form prior to commencement of the interviews.
: Not Applicable.
: We declare that we have no competing interests.
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