Funding for this research was provided by:
Ministry of Health -Singapore (MOH-NUS RL2015-053)
Article History
Accepted: 10 August 2022
First Online: 6 September 2022
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: THE SIGNS Study was approved by the Institutional Review Board at the National University of Singapore (Reference Number: B-15–152).
: Written informed consent was obtained from all individual participants in the study.