[1] Reg Childrens Hosp, Ekaterinburg, Russia
[2] Res Inst Med Cell Technol, Ekaterinburg, Russia
[3] Natl Res & Clin Ctr Pediat Hematol Oncol & Immunol, Moscow, Russia
[4] Ural State Med Univ, Ekaterinburg, Russia
[5] Charite Univ Med Berlin, Dept Pediat Oncol Hematol, Berlin, Germany
[6] PET Technol Ctr Nucl Med, Ekaterinburg, Russia
[7] Belarussian Res Ctr Pediat Oncol Hematol & Immunol, Minsk, BELARUS
[8] City Childrens Hosp 1, St Petersburg, Russia
[9] Morozov Childrens Hosp, Moscow, Russia
[10] Reg Childrens Clin Hosp, Perm, Russia
[11] Orenburg Reg Clin Oncol Ctr, Orenburg, Russia
[12] Kuzbass Childrens Clin Hosp, Novokuznetsk, Russia
[13] Republican Childrens Hosp, Moscow, Russia