[1] Massachusetts Gen Hosp, Boston, MA 02114 USA
[2] Mayo Clin, Rochester, MN USA
[3] Hosp Ruber Int, Madrid, Spain
[4] GEICAM, Madrid, Spain
[5] Univ Hlth Network, Toronto, ON, Canada
[6] Harbor UCLA Med Ctr, Torrance, CA 90509 USA
[7] SUNY Buffalo, Buffalo, NY 14260 USA
[8] Fred Hutchinson Canc Res Ctr, Seattle, WA 98104 USA
[9] Univ Calif Davis, Sacramento, CA 95817 USA
[10] Univ Tennessee, Ctr Hlth Sci, Memphis, TN 38163 USA
[11] George Washington Univ, Sch Med, Washington, DC USA
[12] London Hlth Sci Ctr, London, ON, Canada
[13] Ctr Womens Hlth & Hlth Res, Madison, WI USA
[14] Dana Farber Canc Inst, Boston, MA 02115 USA
[15] Univ Kansas, Med Ctr, Kansas City, KS 66103 USA
[16] CHU Montpellier, Montpellier, France
[17] FNCLCC, Montpellier, France
[18] Univ Laval, Unite Rech Sante Populat, Quebec City, PQ, Canada
[19] Queens Univ Pathol & Mol Med, Kingston, ON, Canada
[20] British Columbia Canc Agcy, Vancouver, BC V5Z 4E6, Canada
[21] NCIC Clin Trials Grp, Kingston, ON, Canada