[1] Mayo Clin, Rochester, MN USA
[2] Roswell Pk Canc Inst, Buffalo, NY USA
[3] Duke Canc Inst, Durham, NC USA
[4] Johns Hopkins Univ, Baltimore, MD USA
[5] Dana Farber Canc Inst, Boston, MA 02115 USA
[6] West Virginia Univ, Morgantown, VA USA
[7] Novant Hlth, Winston Salem, NC USA
[8] MD Anderson Canc Ctr, Houston, TX USA
[9] Queens Hosp, Queens, NY USA
[10] Wake Forest Univ, Winston Salem, NC 27101 USA
[11] Ohio State Univ, Columbus, OH 43210 USA
[12] City Hope Natl Med Ctr, Duarte, CA USA
[13] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[14] Univ Rochester, Rochester, NY USA
[15] Georgetown Univ, Washington, DC USA
[16] Univ Minnesota, Hennepin Cty Med Ctr, Minneapolis, MN 55415 USA
[17] Univ N Carolina, Chapel Hill, NC 27515 USA
[18] Gunderson Hlth Clin, La Crosse, WI USA
[19] Protocol Operat Off, Alliance Clin Trials, Chicago, IL USA
[20] Southeast Clin Oncol, Winston Salem, NC USA
[21] West Canc Ctr, Germantown, TN USA
[22] Washington Univ, St Louis, MO 63110 USA
[23] Univ Calif San Francisco, San Francisco, CA 94143 USA