1. Department and Clinic of Rheumatology, Rehabilitation and Internal Medicine, Poznań University of Medical Sciences, 61-701 Poznań, Poland
2. Department of Clinical Psychology, Poznań University of Medical Sciences, 61-701 Poznań, Poland
3. SSC of Maxillofacial Orthopaedics and Orthodontics, University of Medical Sciences, 60-812 Poznań, Poland
4. Department of Plastic, Reconstructive and Aesthetic Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-821 Bydgoszcz, Poland
5. SSC of Clinical Physiotherapy, Poznań University of Medical Sciences, 61-701 Poznań, Poland
6. Department of Social Sciences and the Humanities, Poznan University of Medical Sciences, 61-701 Poznań, Poland