Funding for this research was provided by:
SNEC HREF fund
ExxonMobil-NUS Research Fellowship for Clinicians
Received: 3 September 2019
Revised: 13 November 2019
Accepted: 21 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: This study was performed according to the guidelines by the SingHealth Central Institutional Review Board (CIRB). According to SingHealth CIRB, need for ethics approval is waived if the study only involves use of commercially available cell lines.
: Not applicable.
: The authors declare that they have no competing interests.