1. Department of Medical and Surgical Sciences and Biotechnologies, Unit Anaesthesiology, Intensive Care Medicine and Pain Therapy, Sapienza University of Rome, Latina, Italy;
2. NEMA Research, Inc., Naples, FL, USA;
3. Division of Neurosurgery, Ca’Foncello Hospital, ASL Marca Trevigiana, University of Padova, Treviso, Italy