[1] Istanbul Univ, Cerrahpasa Med Fac, Istanbul, Turkey
[2] Oncol Inst, Pediat Hematol & Oncol, Istanbul, Turkey
[3] Childrens Hosp & Clin Minnesota, Int Pleuropulm Blastoma DICERI Registry, Minneapolis, MN USA
[4] Childrens Hosp & Clin Minnesota, Ovarian & Testicular Stromal Tumor Registies, Minneapolis, MN USA
[5] Blood Disorders Program, Minneapolis, MN USA
[6] Univ Southern Calif, Childrens Ctr Canc & Blood Dis, Childrens Hosp Los Angeles, Keck Sch Med,Div Hematol Oncol & Blood & Marrow T, Los Angeles, CA USA
[7] Istanbul Univ, Istanbul Sch Med, Pathol, Istanbul, Turkey
[8] Childrens Hosp Los Angeles, Dept Pathol & Lab Med, Los Angeles, CA USA
[9] Istanbul Univ, Inst Oncol, Radiat Oncol, Istanbul, Turkey
[10] Childrens Natl Med Ctr, Ctr Canc & Immunol Res, Dept Pathol, Washington, DC 20010 USA
[11] Mayo Clin, Div Pediat Hematol Oncol, Dept Pediat & Adolescent Med, Rochester, MN USA