1. Department of Neurology; St. Vincent's University Hospital; Dublin Ireland
2. School of Medicine and Medical Science; University College Dublin; Belfield Dublin Ireland
3. Trinity Centre for Bioengineering; Trinity College Dublin; Ireland
4. Trinity College Institute of Neuroscience, Trinity College Dublin; Ireland
5. Department of Neurophysiology; Beaumont Hospital; Dublin Ireland
6. Department of Neurology; Mater Misericordiae University Hospital; Dublin Ireland
7. Department of Neurology; Beaumont Hospital; Dublin Ireland
8. Department of Statistics; Trinity College Dublin; Dublin Ireland