1. Department of Neurosurgery, Erasmus MC University Medical Center, Rotterdam, the Netherlands
2. Center for Medical Decision Making, Department of Public Health, Erasmus MC University Medical Center, Rotterdam, the Netherlands
3. Center for Microsurgical Training and Surgical Skill, “Iuliu Hatieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania
4. Department of Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania