[1] Stanford Univ, Sch Med, South Pasadena, CA USA
[2] Stanford Univ, Sch Med, Stanford, CA 94305 USA
[3] Stanford Univ, Med Ctr, Stanford, CA 94305 USA
[4] Harbor UCLA Med Ctr, Los Angeles BioMed Res Inst, Torrance, CA 90509 USA
[5] Canc Prevent Inst Calif, Fremont, CA USA
[6] Brown Univ, Alpert Med Sch, Providence, RI 02912 USA
[7] Univ Tennessee, Ctr Hlth Sci, Memphis, TN 38163 USA
[8] Univ Calif Davis, Davis, CA USA
[9] SUNY Buffalo, Buffalo, NY 14260 USA
[10] Stanford Univ, Stanford Canc Inst, Sch Med, Stanford, CA 94305 USA
[11] Stanford Prevent Res Ctr, Stanford, CA USA