1. Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
2. Department of Microbiology, University of Thessaly, University Hospital of Larissa, Larissa, Greece
3. Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece
4. Department of Nuclear Medicine, University Hospital of Larissa, Mezourlo Larissa, Greece
5. Department of Rheumatology and Clinical Immunology, University General Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
6. Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus