Funding for this research was provided by:
SingHealth Foundation (SHF/HSRAg004/2015)
SingHealth Nurturing Clinician Scientist Award Academic Clinical Programme Funding FY 2016 Cycle 2
Received: 28 October 2018
Accepted: 17 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This study was approved by the SingHealth Centralized Institutional Review Board (CIRB2016/2242). Written informed consent to participate was obtained from participants or their legal representatives.
: Not applicable.
: The authors declare that they have no competing interests.