1. Department of Biochemical Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
2. Department of Biochemical Diagnostics, University Hospital of Bialystok, 15-269 Bialystok, Poland
3. Department of Neurodegeneration Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
4. Bialystok Oncology Centre, 15-027 Bialystok, Poland