1. Operative Unit of Anesthesiology, Intensive Care and Pain Medicine, Civil Hospital G. Mazzini of Teramo, Teramo, Italy
2. Struttura Operativa Dipartimentale Complessa, Cure Intensive per il Trauma e Supporti Extracorporei, Azienda Ospedaliero-Universitaria Careggi, Firenze, Italy
3. Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy