National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.|National Research Center for Hematology, RAMS, Moscow, Russia.