1. Doctoral School University of Medicine and Pharmacy of Craiova Craiova Romania
2. Chair of Vascular Neurology and Dementia, Department of Neurology University Hospital Essen Essen Germany
3. Cantacuzino National Medical Military Institute for Research and Development Bucharest Romania
4. Department of Neurology University Medical Center Göttingen Göttingen Germany
5. Department of Neurology University of Giessen Medical School Giessen Germany
6. Department of Biomedical Sciences New York Institute of Technology, College of Osteopathic Medicine Old Westbury New York USA