[1] Dana Farber Canc Inst, Jerome Lipper Multiple Myeloma Ctr, Boston, MA 02115 USA
[2] Brigham & Womens Hosp, Boston, MA 02115 USA
[3] Roswell Pk Canc Inst, Buffalo, NY 14263 USA
[4] Massachusetts Gen Hosp, Boston, MA 02114 USA
[5] Emory Univ, Atlanta, GA 30322 USA
[6] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[7] Millennium Pharmaceut Inc, Cambridge, MA USA