| Affiliation: | a Bone Marrow Transplantation Unit, National Cancer Institute, Rio de Janeiro, Brazilb Bone Marrow Transplantation Unit, National Cancer Institute, and Department of Pathology, State University of Rio de Janeiro, Rio de Janeiro, Brazilc Basic Research Center, National Cancer Institute, Rio de Janeiro, Brazild Basic Research Center, National Cancer Institute, and Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazile Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil |
