1. Department of Physiotherapy, Poznan University of Medical Sciences, Poznań, Poland
2. Rheumatological Centre, Śrem, Poland
3. Wielkopolska Physiotherpaty Centre, Poznań, Poland
4. Institute of Rheumatology and Clinic of Rheumatology, Charles University in Prague, Prague, Czech Republic
5. Department of Physical Therapy and Sports Recovery, Poznan University of Physical Education, Poznań, Poland