1. Faculty of Rehabilitation, Józef Piłsudski University of Physical Education in Warsaw, Warsaw, Poland
2. Professor A. Gruca Independent Public Research Hospital, Department of Orthopedic Surgery, Center of Postgraduate Medical Education, Otwock, Poland
3. Rehabilitation Division, Department of Physiotherapy, Second Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
4. Institute of Physiotherapy, University of Rzeszów, Warszawska, Poland
5. Faculty of Psychology, Warsaw University, Warsaw, Poland