[1] Univ Texas MD Anderson Canc Ctr, Houston, TX USA
[2] Univ Iowa Hosp & Clin, Holden Comprehens Canc Ctr, Iowa City, IA USA
[3] Wayne State Univ, Detroit, MI USA
[4] Oncol Specialists SC, Park Ridge, IL USA
[5] Univ Miami, Miami, FL USA
[6] Nebraska Canc Specialists, Omaha, NE USA
[7] Univ Arizona, Canc Ctr, Tucson, AZ USA
[8] Univ Calif San Diego, Moores Canc Ctr, La Jolla, CA USA
[9] Univ Kansas, Med Ctr, Westwood, KS USA
[10] Columbia Univ, Med Ctr, New York, NY USA
[11] Duke Univ, Med Ctr, Durham, NC USA
[12] Mt Sinai Med Ctr, New York, NY USA
[13] Johns Hopkins Greenspring Stn, Lutherville Timonium, MD USA