Funding for this research was provided by:
National Cancer Institute (K05CA124911, U01CA199336)
Article History
Received: 31 January 2019
Accepted: 13 June 2019
First Online: 27 June 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Fred Hutchinson Cancer Research Center, Seattle, WA. This study did not include primary data collection. Each study contributing anonymized data complied with requirements of their Institutional Review or Research Ethics Board and all participants gave written informed consent.
: N/A
: The authors declare that they have no competing interests.