1. Merz Therapeutics GmbH, Eckenheimer Landstraße 100, 60318 Frankfurt am Main, Germany
2. Department of Neurology, Albert-Schweitzer-Hospital Graz, Albert-Schweitzer-Gasse 36, 8020 Graz, Austria
3. Department of Neurology and Psychiatry, Faculty of Medicine, Assiut University Hospital, Assiut University, Assiut 71526, Egypt
4. Danysz Pharmacology Consulting, Vor den Gärten 16, 61130 Nidderau, Germany