Dr Sidnei EPELMAN is pediatric oncologist in the Pediatric Oncology Dept. at Santa Marcelina Hospital in Sao Paolo. He is the chairman of the Brain Tumor Strategy Group of the Brazilian Society of Pediatric Oncology. He is also the director of INCTR BRAZIL (International Network for Cancer and Treatment Research—www.inctr.org) and president of TUCCA - Association for Treatment of Children and Adolescents with Cancer (...)