[1] Hosp Infantil Mexico Dr Federico Gomez, SSA, Unidad Invest Enfermedades Oncol, Mexico City, DF, Mexico
[2] Univ Catania, Dept Biomed Sci, Catania, Italy
[3] Univ Calif Los Angeles, David Geffen Sch Med, Jonsson Comprehens Canc Ctr, Los Angeles, CA 90095 USA
[4] Inst Myeloma & Bone Canc Res, W Hollywood, CA USA