Funding for this research was provided by:
National University Health System (R174-000-155-720)
Received: 10 May 2020
Accepted: 24 November 2020
First Online: 9 December 2020
Ethics approval and consent to participate
: The certificate number 2008/00358 was issued by Institutional Domain Specific Review Board (DSRB), Singapore. We also received written informed consent from the patients. All the animal procedures in this study were approved by National University of Singapore’s Institutional Animal Care and Use Committee (IACUC) (reference number R15-1518).
: Not applicable
: The authors indicate no potential conflicts of interest.