Funding for this research was provided by:
U.S. Public Health Service (CA189828, CA180795, CA37403, CA35199, CA17145 and CA49883)
National Institutes of Health (K05CA175048, UL1TR002529)
American Cancer Society (PF-17-054-01-PCSM)
IUPUI Office for the Vice Chancellor for Research (N/A)
Received: 27 November 2019
Accepted: 24 February 2020
First Online: 6 March 2020
Ethics approval and consent to participate
: This study was approved by the internal review board at the sponsoring institution (Indiana University) and all 97 ECOG-ACRIN sites. Participants provided written consent and were told they could end their study participation at any time.
: Not applicable.
: The authors declare that they have no competing interests.