1. Faculty of Physical Education in Biała Podlaska, Institute of Physiotherapy, Warsaw University School of Physical Education, Akademicka 2, 21-500 Biała Podlaska, Poland
2. Faculty of Health Sciences, Institute of Physiotherapy, Jagiellonian University, Michałowskiego 12, 31-126 Kraków, Poland
3. Department of Pediatric Orthopedics and Traumatology, University of Medical Sciences of Poznan, 28 Czerwca 1956r. No. 135/147, 61-545 Poznań, Poland
4. Centre of Pulmonology and Thoracic Surgery, J. Fałata 2, 43-360 Bystra, Poland
5. Department of Psychiatry, Jagiellonian University Medical College, Kopernika 21A, 31-501 Kraków, Poland