https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4588408/
http://www.jni-journal.com/article/S0165-5728(15)30056-4/abstract
http://www.seizure-journal.com/article/S1059-1311(15)00120-X/fulltext
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4694417/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429535/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335816/
https://link.springer.com/article/10.1007%2Fs11910-015-0529-1
https://www.ncbi.nlm.nih.gov/pubmed/26202897
https://www.ncbi.nlm.nih.gov/pubmed/26439968
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4506234/