[1] Univ Washington, Sch Med, Dept Radiol, Seattle, WA USA
[2] Univ Washington, Sch Publ Hlth, Dept Hlth Syst & Populat Hlth, Seattle, WA USA
[3] Fred Hutchinson Canc Ctr, Seattle, WA USA
[4] UCLA, David Geffen Sch Med, Dept Med, Los Angeles, CA USA
[5] UCLA Natl Clinician Scholars Program, Los Angeles, CA USA