1. Maresal Cakmak Military Hospital, Department of Orthopaedics and Traumatology,
2. Dr. Lutfi Kirdar Kartal Training and Research Hospital, Department of Orthopaedics and Traumatology, Istanbul/ Turkey.
3. Marmara University, Department of Orthopaedics and Traumatology, Istanbul/ Turkey,
4. Eskişehir City Hospital