[1] Vanderbilt Univ, Med Ctr, Vanderbilt Ingram Canc Ctr, Nashville, TN 37232 USA
[2] Dana Farber Canc Inst, ECOG ACRIN Biostat Ctr, Boston, MA 02115 USA
[3] UT Southwestern Simmons Canc Ctr, Dallas, TX USA
[4] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[5] Canc Res Wisconsin & Northern Michigan CROWN NCOR, Green Bay, WI USA
[6] Univ Wisconsin Carbone Canc Ctr, Madison, WI USA
[7] Northwestern Univ, Evanston, IL USA
[8] Johns Hopkins Univ, Sidney Kimmel Canc Ctr, Baltimore, MD USA
[9] Montefiore Med Ctr, 111 E 210th St, Bronx, NY 10467 USA
[10] Alegent Hlth Bergan Mercy Med Ctr, Omaha, NE USA
[11] St Joseph Mercy Hosp, Ann Arbor, MI 48104 USA
[12] Phoebe Putney Mem Hosp, Albany, GA USA
[13] Metro Minnesota Community Oncol Res Consortium, St Louis Pk, MN USA
[14] Columbus Oncol & Hematol Associates Inc, Columbus, OH USA
[15] Univ New Mexico Canc Ctr, Albuquerque, NM USA
[16] Dana Farber Canc Inst, Boston, MA 02115 USA
[17] Women & Infants Hosp Rhode Isl, Providence, RI 02908 USA
[18] Univ Calif Davis, Davis, CA 95616 USA
[19] Wake Forest Univ Hlth Sci, Winston Salem, NC USA
[20] Univ Penn, Abramson Canc Ctr, Philadelphia, PA 19104 USA
[21] Indiana Univ, Melvin & Bren Simon Comprehens Canc Ctr, Indianapolis, IN 46204 USA