Journal Article Research Support, N.I.H., Extramural SCID Artemis CGD DCLRE1C protein, human DNA-Binding Proteins EC 3.1.- Endonucleases Gene therapy Genetic counseling Hematopoietic stem cell transplant Heterozygote Mitogen Navajo Newborn screening Nuclear Proteins PHA PIDTC Patient perspective Patient reported outcomes Primary immunodeficiency Research Support, N.I.H., Intramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Severe Combined Immunodeficiency Severe combined immunodeficiency T-cell lymphopenia T-cell proliferation TREC