[1] Yale Univ, Med Ctr, New Haven, CT USA
[2] Univ Michigan, Ctr Comprehens Canc, Ann Arbor, MI 48109 USA
[3] Univ Pittsburgh, Med Ctr, Pittsburgh, PA USA
[4] Virginia Oncol Associates, US Oncol Res, Hampton, VA USA
[5] Univ Maryland, Ctr Canc, Baltimore, MD 21201 USA
[6] Cleveland Clin, Cleveland, OH 44106 USA
[7] Tulane Univ, New Orleans, LA 70118 USA
[8] Atlantic Urol Clin, Carolina Urol Res Ctr, Myrtle Beach, SC USA
[9] Comprehens Canc Ctr Nevada, Las Vegas, NV USA
[10] Progen Pharmaceut Inc, Tarrytown, NY USA