[1] Cleveland Clin, Taussig Canc Inst, Cleveland, OH 44106 USA
[2] Fox Chase Canc Ctr, Philadelphia, PA 19111 USA
[3] Duke Canc Inst, Durham, NC USA
[4] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[5] Washington Univ, Sch Med, Siteman Canc Ctr, St Louis, MO USA
[6] Univ Toronto, Princess Margaret Hosp, Toronto, ON, Canada
[7] Mt Sinai Sch Med, New York, NY USA
[8] Emory Univ, Winship Canc Inst, Atlanta, GA 30322 USA
[9] Univ Penn, Philadelphia, PA 19104 USA
[10] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[11] Univ Michigan, Ann Arbor, MI 48109 USA
[12] Univ Pittsburgh, Pittsburgh, PA USA
[13] Henry Ford Hosp, Detroit, MI 48202 USA
[14] Mayo Clin, Rochester, MN USA
[15] Fred Hutchinson Canc Res Ctr, Seattle, WA 98104 USA
[16] Dana Farber Canc Inst, Boston, MA 02115 USA
[17] Univ Minnesota, Minneapolis, MN USA
[18] Wayne State Univ, Karmanos Canc Inst, Detroit, MI USA
[19] Ohio State Univ, Ctr Comprehens Canc, Columbus, OH 43210 USA
[20] NCI, Bethesda, MD 20892 USA