Funding for this research was provided by:
National University of Singapore Start-up Grant (NUHSRO/2015/063/SU/01)
Article History
First Online: 12 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Ethics approval was obtained from the Domain Specific Review Board National Healthcare Group (DSRB NHG: Ref No: 2015/01250) before the data collection. Written informed consent was obtained from each participant and voluntary participation was ensured in this study.