Funding for this research was provided by:
Ministry of Education SG (MOE2016-T2-1-016)
Received: 14 April 2020
Accepted: 12 August 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: This study has been approved by the Institutional Review Board of Nanyang Technological University Singapore (IRB-2017-02-019). Written informed consent was obtained from all participants before study participation. Participants’ confidentiality, safety from unintended outcomes and right to withdraw without any adverse consequences was safeguarded under the ethical provisions reviewed by NTU-IRB.
: Not applicable.
: The authors declare that they have no competing interests.