Funding for this research was provided by:
U.S. Department of Health & Human Services | National Institutes of Health (DP1-CA238296)
Received: 29 August 2019
Accepted: 22 June 2020
First Online: 27 July 2020
: C.C. is a scientific advisor to GRAIL and reports stock options, as well as consulting for GRAIL and Genentech. N.Z., R.S., D.G. and R.A.G. have no conflicts of interest to report.