1. Clinic of Orthopedics and Pediatric Orthopedics, Medical University of Lodz, 92-213 Lodz, Poland
2. Department of Orthopaedics and Traumatology of the Musculoskeletal System, Infant Jesus Teaching Hospital, Medical University of Warsaw, 02-091 Warsaw, Poland
3. Ortoteam Clinic, 90-127 Lodz, Poland
4. Department of Orthopedics and Traumatology, Radomsko Community Hospital, 97-500 Radomsko, Poland
5. EmergeOrtho Triad Region, Greeensboro, NC 27408, USA