Edwin B George1, Adam C Cotton2, N Shneyder3,4, H A Jinnah2. 1. Department of Neurology, Wayne State University, University Health Center 8D, 4201 St. Antoine, Detroit, MI, 48201, USA. egeorge@med.wayne.edu. 2. Department of Neurology and Human Genetics, Emory University, Atlanta, GA, USA. 3. Department of Neurology, Wayne State University, University Health Center 8D, 4201 St. Antoine, Detroit, MI, 48201, USA. 4. Department of Neurology, University of Florida, Jacksonville, FL, USA.