[1] Stanford Univ, Med Ctr, Menlo Pk, CA USA
[2] Stanford Univ, Sch Med, Stanford, CA 94305 USA
[3] Stanford Univ, Stanford, CA 94305 USA
[4] Harbor UCLA Med Ctr, Torrance, CA 90509 USA
[5] Wayne State Univ, Karmanos Canc Inst, Detroit, MI USA
[6] RAND Corp, Santa Monica, CA USA
[7] Univ N Carolina, Chapel Hill, NC USA
[8] Northern Calif Canc Ctr, Fremont, CA USA
[9] Georgetown Lombardi Comprehens Canc Ctr, Washington, DC USA
[10] Stanford Prevent Res Ctr, Stanford, CA USA
[11] Stanford Canc Inst, Stanford, CA USA