Performance score using the Karnofsky performance scale (patients > years old) or Lansky Play - performance scale (patients =< years old) must be >= assessed within two weeks prior to enrollment Performance status as determined by Karnofsky >= or Lansky play scale >= % at the time of study drug administration Patients must have a Lansky Play Scale of % (< years [yrs] old), Karnofsky score % (> yrs old), or Eastern Cooperative Oncology Group (ECOG) score of < or equal to and a life expectancy of months Karnofsky performance status of >= % or, if less than years of age Lansky play score of >= Adequate Karnofsky Performance score or Lansky Play-Performance scale For subjects < years of age, Modified Lansky Play-Performance Score of >= %; for subjects and older, Karnofsky score of >= % Lansky play-performance score < for pediatric patients Lansky play score >= Karnofsky >= %, Lansky play score >= Performance Status: Karnofsky ? %, Lansky play score ? With Karnofsky index or Lansky play-performance scale > % on pre-transplant evaluation DONOR: Donors in good general health, with a Karnofsky or Lansky play performance score > % Karnofsky performance score < % or Lansky-Play Performance score < for pediatric patients Adequate Karnofsky Performance score or Lansky Play-Performance scale Performance status as determined by Karnofsky >= % or Lansky play scale >= % at the time of study drug administration Lansky play score >= (< years) or Karnofsky ( years or older) performance score of >= % Karnofsky score < %\r\n* Pediatric criteria\r\n** Lansky play-performance score < Karnofsky score less than ; pediatric criteria: Lansky Play-Performance Score < Karnofsky performance status > % for ages years and older or Lansky play score > for < years Performance score ? from Lansky Play Performance Scale if ? years Karnofsky performance score or Lansky Play-Performance Scale score < Lansky-play performance score < for pediatric patients