Works cited:

1) https://www.stjude.org/disease/ataxia-telangiectasia.html

2) http://primaryimmune.org/about-primary-immunodeficiencies/specific-disease-types/ataxia-telangiectasia/

3) http://www.ninds.nih.gov/disorders/a_t/a-t.htm

4) http://www.chop.edu/conditions-diseases/ataxia-telangiectasia#.Vz8-DvD3arU

5) https://ghr.nlm.nih.gov/condition/ataxia-telangiectasia

6) https://www.nlm.nih.gov/medlineplus/ency/article/001394.htm