Funding for this research was provided by:
Foundation for the National Institutes of Health (UM1 CA182876, R01 CA144034)
National Medical Research Council (NMRC/CSA-SI/0011/2017, NMRC/CGAug16C006, MOH-CSASI19nov-0001)
Received: 12 October 2021
Accepted: 29 December 2021
First Online: 8 January 2022
: The Institutional Review Board at the National University of Singapore had approved this study and written informed consent was obtained from each subject.
: Not applicable.
: The authors declare that they have no competing interests.