1. 2) NEUROMUSCULAR DISEASE CENTER. Episodic Ataxias [Internet]. St. Louis, MO USA: Washington University; 2015 Nov 6. [cited 2015 Nov 8]. Available from: http://neuromuscular.wustl.edu/
2. 3) Gene Reviews® Episodic Ataxia Type 2 [Internet]. Seattle (WA) USA: University of Washington; 2015 Oct 15. [cited 2015 Nov 8]. Available from: http://www.ncbi.nlm.nih.gov/books/NBK1501/
3. 4) OMIM® #108500 EPISODIC ATAXIA, TYPE 2; EA2 [Internet]. Baltimore, MD USA: the McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine; 2014 Apr 29. [cited 2015 Nov 8]. Available from: http://omim.org/entry/108500
4. 5) Ophoff RA, Terwindt GM, Vergouwe MN, et al. Familial hemiplegic migraine and episodic ataxia type-2 are caused by mutations in the Ca2+ channel gene CACNL1A4. Cell 1996;87:543-552.
5. 6) Baloh RW, Yue Q, Furman JM, et al. Familial episodic ataxia: clinical heterogeneity in four families linked to chromosome 19p. Ann Neurol 1997;41:8-16.