[1] Mem Sloan Kettering Canc Ctr, Dept Med, Adult Long Term Follow Program, 1275 York Ave, New York, NY 10021 USA
[2] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[3] BC Ctr Excellence HIV AIDS, Vancouver, BC, Canada
[4] St Jude Childrens Res Hosp, 332 N Lauderdale St, Memphis, TN 38105 USA
[5] Fred Hutchinson Canc Res Ctr, 1124 Columbia St, Seattle, WA 98104 USA
[6] Hosp Sick Children, Toronto, ON, Canada