Funding for this research was provided by:
National Medical Research Council (#NMRC/TA/0030/2014)
Duke-NUS Oncology Academic Program Proton Research Program (08/FY2017/EX/06-A37)
Text and Data Mining valid from 2018-11-12
Received: 1 May 2018
Accepted: 29 October 2018
First Online: 12 November 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of the SingHealth Centralised Institutional Review Board (CIRB Ref: 2003/419/B). All the patients enrolled in this study have provided written informed consents for specimen collection and anonymous participation in the research.
: Not applicable.
: The authors declare that they have no competing interests.
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