1. Department of Neurology Tallaght University Hospital Dublin Ireland
2. Department of Neurology Cork University Hospital Cork Ireland
3. Department of Neurology St Vincent's University Hospital Dublin Ireland
4. Department of Clinical Neurophysiology Tallaght University Hospital Dublin Ireland
5. Academic Unit of Neurology Trinity College Dublin Dublin Ireland
6. Department of Neurology Beaumont Hospital Dublin Ireland
7. Department of Clinical Neurophysiology Mater Misericordiae University Hospital Dublin Ireland
8. Department of Clinical Neurophysiology St Vincent's University Hospital Dublin Ireland