1 Department of Anesthesia, Critical Care and Emergency, Ca' Granda Foundation and Institute for Research and Care, Maggiore Polyclinic Hospital, Milan, Italy - zanella.alb@gmail.com.
2 Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy - zanella.alb@gmail.com.
3 Department of Anesthesia, Montreal Children's Hospital, McGill University, Montreal, Canada.