1. Department of Orthopaedics, Orvit Clinic, Citomed Healthcare Center, 87-100 Torun, Poland
2. Department of Orthopaedics and Traumatology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-092 Bydgoszcz, Poland
3. Department of Orthopaedics and Traumatology, Faculty of Medicine, Jan Kochanowski University in Kielce, 25-001 Kielce, Poland
4. Orthopaedics and Traumatology Department, Hacettepe Universitesi, Ankara 06230, Turkey