Funding for this research was provided by:
National Medical Research Council (CTG13feb013)
Text and Data Mining valid from 2018-09-05
Received: 6 February 2018
Accepted: 27 August 2018
First Online: 5 September 2018
Ethics approval and consent to participate
: This study was approved by the Singhealth Centralised Institutional Review Board (Singhealth CIRB reference number: 2014/670/D) and the trial is registered on ExternalRef removed (NCT02278601). All participants provided their written informed consent before enrolment.
: Not applicable.
: The authors declare that they have no competing interests.
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