Funding for this research was provided by:
National Medical Research Council (NMRC/CBRG/0095/2015)
National Cancer Centre of Singapore (block funding)
Duke-NUS Graduate Medical School (block funding)
Received: 21 April 2019
Accepted: 14 August 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: The collection of human samples from the National Cancer Centre Tissue Repository with informed consent from the patients and prior approval from the NCCS Institutional Review Board (NCC_IRB_No_2007/437/B).
: Informed consent for research use of tissue samples has been obtained from patients.
: The authors declare that they have no competing interests.