1. Department of NeurologyFaculty of Medicine,
2. Department of PharmacologyFaculty of Pharmacy and
3. Department of OphthalmologyFaculty of Medicine, University of Debrecen, Hungary
4. Department of NeurologyCounty Hospital, Miskolc, Hungary
5. Institute of Internal MedicineFaculty of Medicine, University of Debrecen, Hungary
6. Department of Infection Control ServicesKenezy Hospital, Debrecen, Hungary
7. Department of NeurologyFaculty of Medicine, Semmelweis University, Budapest, Hungary