1. Department of Neurology University Hospital of Larissa University of Thessaly Larissa Greece
2. Department of Microbiology University Hospital of Larissa University of Thessaly Larissa Greece
3. Public Health Laboratories Hellenic Pasteur Institute Athens Greece
4. Department of Rheumatology and Clinical Immunology University General Hospital of Larissa Faculty of Medicine School of Health Sciences University of Thessaly Larissa Greece
5. Cellular Immunotherapy & Molecular Immunodiagnostics, Biomedical Section Centre for Research and Technology‐Hellas (CERTH)‐Institute for Research and Technology‐Thessaly (IRETETH) Larissa Greece
6. Department of Neurology Papageorgiou General Hospital Thessaloniki Greece
7. Department of Medicine Second Medical Clinic Aristotle University of Thessaloniki Ippokration Hospital Thessaloniki Greece
8. Department of Neurology Medical School University of Cyprus Nicosia Cyprus