| Turkey | Austria | Spain | |
| Gamma Knife | from $4,300 | from $32,000 | from $18,000 |
Prof. Dr. Gulsah Bademci trained with Prof. Dr. M. Gazi Yaşargil – a pioneer in neurosurgery – and has 33 years of experience of experience in brain and nerve surgery.
Dr. Ali Oto is a surgeon specializing in ear, nose, and throat (ENT) diseases. He practices at Memorial Ankara Hospital in Turkey. Dr. Oto completed training at the Karolinska Institute in Sweden. He also trained at the Free University in Holland. His work focuses on inner ear physiology and neck surgery.