1. Department of Neurosurgery, “K.A.T.-N.R.C.” General Hospital of Attica,
2. Department of Neurosurgery, 251 Hellenic Air Force General Hospital,
3. Department of Neurosurgery, University of Athens, “Evangelismos Hospital”,
4. Departments of Imaging, Children’s Hospital “Aghia Sofia”, Athens, Greece.
5. Departments of Neurosurgery, Children’s Hospital “Aghia Sofia”, Athens, Greece.