1. Department of Preventive Medicine, Faculty of Medical Sciences, Karol Marcinkowski University of Medical Sciences, 11 M. Smoluchowskiego Street, 60-179 Poznań, Poland
2. Laboratory of Medical Electrodiagnostics, Department of Health Sciences, Karol Marcinkowski University of Medical Sciences, 49 Przybyszewskiego Street, 60-355 Poznań, Poland
3. Department of Computer Science and Statistics, Karol Marcinkowski University of Medical Sciences, 79 Dąbrowskiego Street, 60-529 Poznań, Poland