Funding for this research was provided by:
National Institute for Health Research
Opportunity Funds Management Core of the Centers for Medical Countermeasures against Radiation (U19AI067773)
Received: 21 January 2021
Accepted: 13 April 2021
First Online: 3 May 2021
: Blood was collected at the Royal Marsden Hospital and Institute of Cancer Research (Surrey, UK) with written informed consent from all subjects as part of the RTGene study (ClinicalTrials.gov NCT02780375), which was ethically approved by the South Central-Hampshire B Research Ethics Committee (16/SC/0307).
: Not applicable.
: The authors declare that they have no competing interests.