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Article History

Received: 29 November 2017

Revised: 26 May 2018

Accepted: 20 June 2018

First Online: 21 August 2018

Competing interests

: The authors declare no competing interests.

: No funding bodies were involved in the writing of this paper. We wish however to acknowledge, and express our gratitude for, the support of many organisations for the work of the CCRG. The work of the CCRG was supported by the Department of Health for England and Wales and the Scottish Government. Funding also came from Children with Cancer UK, Cancer Research UK, the Leukaemia Research Fund, the Kay Kendall Leukaemia Research Fund, the Health and Safety Executive, the National Cancer Institute (USA), the Childhood Eye Cancer Trust, the NHS Executive National Cancer Research and Development Programme, the National Cancer Intelligence Network, and the UKCCSG/CCLG.

: Where necessary, employers are aware of the submission of this paper and agree to it.

: This paper did not involve any new collection or analyses of data. Much of the work described was based on the UK National Registry of Childhood Tumours. Our hope is that these data will be available for future analyses. This is discussed in the section “Research Resources” above.

: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).