1. Department of Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
2. Recreation and Treatment Center “Glinik”, Wysowa-Zdrój, Poland
3. Department of Biochemistry and Medical Genetics, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland
4. Dawid Lukoszek Physiotherapy Osteopathy, Hanusek, Poland
5. Department of Physiotherapy, Faculty of Health Sciences in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
6. Department of Radiology, Dresden University Hospital, Dresden, Germany