1 Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto General Hospital, University Health Network, Toronto, ON, Canada.
2 Department of Anesthesia and Intensive Care, Santa Chiara Hospital, APSS Trento, Largo Medaglie d'oro 9, 38122, Trento, Italy. giacomo.bellani@apss.tn.it.
3 Centre for Medical Sciences CISMed, University of Trento, Trento, Italy. giacomo.bellani@apss.tn.it.