Funding for this research was provided by:
National Medical Research Council (NMRC/CSA/0055/2013, MOH-CSASI19nov-0001)
National University of Singapore (Saw Swee Hock School of Public Health)
Article History
Received: 28 March 2022
Accepted: 26 May 2022
First Online: 25 June 2022
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: This study was performed in line with the principles of the Declaration of Helsinki. This study was approved by the Institutional Review Board at the National University of Singapore.
: Written informed consent was obtained from all study participants.