[1] Yale Univ, Sch Med, New Haven, CT USA
[2] EpiSource, Hamden, CT USA
[3] Dartmouth Hitchcock Med Ctr, Lebanon, NH 03766 USA
[4] Norris Cotton Canc Ctr, Lebanon, NH USA
[5] AdvancedBC Org, New York, NY USA
[6] UCSF, Ctr Comprehens Canc, San Francisco, CA USA
[7] Univ Pittsburgh, Ctr Canc, Pittsburgh, PA USA
[8] Florida Canc Care, Tamarac, FL USA
[9] Sarah Cannon Res Inst, Nashville, TN USA
[10] Natl Surtal Breast & Bowel Project, Pittsburgh, PA USA
[11] Genentech Inc, San Francisco, CA 94080 USA
[12] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA