1. Trauma and Orthopedics Department, General Hospital of Ioannina, Ioannina, Greece
2. Trauma and Orthopedics Department, General Hospital of Filiates, Ioannina, Greece
3. Plastic Surgery Department, Mater Dei Hospital, Msida, Malta
4. Medical School, Democritus University of Thrace, Komotini, Greece
5. Medical School, Anatomy Laboratory, Democritus University of Thrace, Komotini, Greece