Lim, Madeline
Li, Ziqiang
Xie, Huiting
Tan, Bhing Leet
Lee, Jimmy http://orcid.org/0000-0002-7724-7445
Funding for this research was provided by:
National Medical Research Council (NMRC/CG/004/2013)
National Healthcare Group (NHG- CSCS/15007)
Article History
Received: 10 September 2018
Accepted: 14 August 2019
First Online: 22 August 2019
Ethics approval and consent to participate
: All participants received an explanation of the study’s aim and provided written indication of informed consent. Participation was voluntary. This study was approved by the Ethical Committee: National Healthcare Group’s Domain Specific Review Board (Approval No. 2016/00179).
: Not applicable.
: The authors declare that they have no competing interests.