1. Professor of Orthopaedics, Al-Ahrar Specialist Hospital, Zagazig, Al-Sharkia, Egypt.
2. Professor of Pediatric Orthopedics & Limb Reconstructive Surgeries, Tanta University, Egypt.
3. Professor of Pediatric Orthopedics; Faculty of Medicine, Cairo University, Cairo, Egypt.
4. Assistant Professor of Radiology, Faculty of Medicine, Zagazig University, Al-Sharkia, Egypt.
5. Faculty of Medicine, Ain Shams University, Cairo, Egypt.
6. Assistant Professor of Orthopedics, Faculty of Medicine, Al-Azhar University, Egypt.