1. Department of Biochemistry and Medical Genetics, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland
2. Faculty of Health Sciences, University of Bielsko-Biała, Poland
3. Department of Paediatrics, Upper Silesian Child Health Center st. Jana Pawła II Independent Public Clinical Hospital No. 6 of the Medical University of Silesia in Katowice, Poland
4. Department of Adapted Physical Activity and Sport, Chair of Physiotherapy, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland
5. Department of Rehabilitation, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland
6. Faculty of Health Sciences, Collegium Medicum, Jan Kochanowski University of Kielce, Institute of Physiotherapy, Kielce, Poland
7. Andrzej Frycz Modrzewski Krakow University, Krakow, Poland
8. Medical University of Lodz, Poland