1. Center for Simulation and Innovative Education – S.I.D.I., University of Messina, Messina, Italy
2. Department of Adult and Childhood Human Pathology “Gaetano Barresi”, Unit of Anesthesiology, University of Messina, Messina, Italy
3. Unit of Neurosurgery, Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, Italy
4. Unit of Paediatric Surgery, Department of Adult and Childhood Human Pathology “Gaetano Barresi”, University of Messina, Messina, Italy
5. Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, Italy
6. Center for Health Education and Research of Switzerland (CHERS), Lugano, Switzerland