1. Department of Biochemistry, Maria Curie-Skłodowska University, 20-033 Lublin, Poland
2. Department of Paediatric Orthopaedics and Rehabilitation, Medical University of Lublin, 20-059 Lublin, Poland
3. Clinic of Orthopaedics and Paediatric Orthopaedic, Medical University of Łódź, 90-419 Lodz, Poland
4. Orthopedic Surgery and Traumatology Department, Medical University of Lublin, 20-059 Lublin, Poland