Behavior symptoms. (A) The differences of the internalizing and externalizing problems and behavior symptoms in two comparison groups. (B) Blue bars show the difference between subjects and how the trigger for their diagnosis of SCID impacted outcomes. Infection/clin, infection or clinical symptoms. (C) Green bars show the difference between those who received no chemotherapy or IS alone (none/IS) vs. those who received either reduced intensity chemotherapy vs. myeloablative condioning (RIC/MAC).