Funding for this research was provided by:
Singapore Millennium Foundation
Ministry of Health -Singapore
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (406.16.516)
European Research Council (ERC) Consolidator Grant (647209)
Received: 15 June 2020
Accepted: 17 February 2021
First Online: 27 February 2021
Ethics approval and consent to participate
: The SMHS was reviewed and approved by the National Healthcare Group Domain-Specific Review Board. All participants provided written informed consent. Further information is available in the SMHS [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.