[1] Ohio State Univ, Div Hematol & Oncol, Columbus, OH 43210 USA
[2] Johns Hopkins Med Ctr, Baltimore, MD USA
[3] St Francis Canc Res Found, Beech Grove, IN USA
[4] Univ Calif San Diego, La Jolla, CA 92093 USA
[5] Novartis Oncol, Florham Pk, NJ USA
[6] XOMA Ltd, Berkeley, CA USA
[7] MD Anderson Canc Ctr, Houston, TX USA