1. Clinic of General and Hand Surgery, Pomeranian Medical University in Szczecin, Poland
2. Malopolska Center for Burns and Plastic Surgery in the Ludwik Rydygier Memorial Specialized Hospital in Krakow, Poland
3. University of Opole, Faculty of Health Sciences, Poland Department of General Surgery, Replantation and Transplantation of the Limbs, St. Hedwig the Silesian Hospital in Trzebnica, Poland
4. Department of Orthopedics, Traumatology and Hand Surgery, Medical University in Poznan, Poland
5. Department of Orthopedics and Traumatology, Medical University in Gdansk, Poland
6. Department of Traumatology and Hand Surgery, Medical University in Wroclaw, Poland