Funding for this research was provided by:
National Medical Research Council (NMRC/Fellowship/0030/2016, NMRC/CG/004/2013, NMRC/CSSSP/0014/2017)
Text and Data Mining valid from 2019-02-27
Received: 22 August 2018
Accepted: 15 February 2019
First Online: 27 February 2019
Ethics approval and consent to participate
: The Domain Specific Review Board of Singapore granted ethical approval for the study. Written informed consent was obtained from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.
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