[1] Univ Utah, Dept Pediat, Div Hematol Oncol, Salt Lake City, UT USA
[2] Primary Childrens Med Ctr, 100 N Mario Capecchi Dr, Salt Lake City, UT 84113 USA
[3] Phys & Surg Clin, Columbus, MS USA
[4] Primary Childrens Med Ctr, Dept Radiol, Salt Lake City, UT USA
[5] Tulane Univ, Sch Med, Dept Dermatol, New Orleans, LA 70112 USA
[6] Univ Mississippi, Med Ctr, Dept Pediat, Div Pediat Hematol Oncol, Jackson, MS 39216 USA
[7] Univ Mississippi, Med Ctr, Dept Radiol, Jackson, MS 39216 USA