Funding for this research was provided by:
National Medical Research Council (NMRC/HSRNIG/0014/2016)
Text and Data Mining valid from 2018-10-31
Accepted: 25 October 2018
First Online: 31 October 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The study was approved by the relevant institutional ethics review board (National Healthcare Group Domain Specific Review Board (DSRB) (Reference No: 2016/00215).
: Informed consent was obtained from all individual participants included in the study.