[1] Univ Rochester, Dept Radiat Oncol, Med Ctr, Rochester, NY 14642 USA
[2] Univ Rochester, Dept Publ Hlth, Med Ctr, Rochester, NY 14642 USA
[3] Univ Rochester, Dept Med, Med Ctr, Rochester, NY 14642 USA
[4] Piedmont HEM ONC Assocs, Southeast Canc Control Consortium, Kernersville, NC 27284 USA
[5] Wilmot Canc Ctr, Rochester, NY 14642 USA