1. Diaconessenhuis Meppel; Neurologist; Hoogeveenseweg 38 Meppel Netherlands 7943 KA
2. Radboud University Nijmegen Medical Center; Department of Neurophysiology; PO Box 9101 Nijmegen Netherlands 6500 HB
3. Radboud University Nijmegen Medical Center; Neuromuscular Center Nijmegen; PO Box 9101 Nijmegen Netherlands 6500 HB
4. MUML; Department Neurology; PO Box 5000 Maastricht Netherlands 6202 AZ