Aicardi-Goutieres syndrome
Here are some links to information on the type of Leukodystrophy we believe Bryce and Annalise may have...AGS5. The doctors have found one mutation on the SAMHD1 gene so far.
http://ulf.org/aicardi-goutieres-syndrome
http://ghr.nlm.nih.gov/condition/aicardi-goutieres-syndrome
http://ghr.nlm.nih.gov/gene/SAMHD1
http://patients.aan.com/disorders/index.cfm?event=view&disorder_id=1112
http://www.cafamily.org.uk/medical-information/conditions/a/aicardi-gouti%C3%A8res-syndrome/??page=5&f=P