1. Neurosurgery Department, Sibiu County Emergency Hospital, Sibiu 550245, Romania, Assistant Professor of Neurosurgery at “Lucian Blaga” University of Medicine, Sibiu 550024, Romania
2. Teaching Assistand of Prosthetic Dentistry at “Lucian Blaga” University of Medicine, Sibiu 550024, Romania
3. Student of General Medicine, “Carol Davila” University of Medicine and Pharmacy, Bucharest 020021, Romania
4. Professor of Neurosurgery, “Carol Davila” University of Medicine and Pharmacy, Bucharest 020021, Romania, Neurosurgery Department and Scientific Director at the Sanador Clinical Hospital, Bucharest 70000, Romania