KKF, Cheng
Mitchell, S. A.
Chan, N.
Ang, E.
Tam, W.
Kanesvaran, R.
Funding for this research was provided by:
National University of Singapore
Article History
Received: 22 March 2020
Accepted: 12 November 2020
First Online: 26 November 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and the ethical standards of the institutional review board in Singapore. The study was approved by the Domain Specific Review Board of National Health Group Cluster in Singapore (Study Reference Number: 2015/00039). All participants provided written informed consent at enrolment.
: Not applicable.
: The authors declare that they have no competing interests.