1. Neurological Private Practice Bialystok Poland
2. Department of Pediatric Surgery Medical University of Bialystok Bialystok Poland
3. Bioanalysis Laboratory, Faculty of Chemistry University of Bialystok Bialystok Poland
4. Department of Biophysics Medical University of Bialystok Bialystok Poland
5. Department of Clinical Laboratory Diagnostics Medical University of Bialystok Bialystok Poland
6. Department of Bromatology Medical University of Białystok Białystok Poland
7. Department of Neurology Medical University of Białystok Białystok Poland
8. Department of Invasive Neurology Medical University of Białystok Białystok Poland
9. Department for Laboratory Diagnostics University Clinical Centre Maribor Maribor Slovenia
10. Department for Clinical Biochemistry Medical Faculty, University Maribor Maribor Slovenia