[1] Johns Hopkins, Sidney Kimmel Comprehens Canc Ctr, Baltimore, MD USA
[2] Henry Ford Hosp, Detroit, MI 48202 USA
[3] Carolina BioOncol Inst, Huntersville, NC USA
[4] Washington Univ, Sch Med, Siteman Canc Ctr, St Louis, MO USA
[5] Medarex Inc, Bloomsbury, NJ USA