1 From the Department of Anaesthesiology, Hospital Clínic de Barcelona, Barcelona, Spain (RV, NF); Department of Anaesthesia, Nottingham University Hospitals NHS Trust, Nottingham, UK (MHN); Department of Anaesthesiology and Critical Care, Hadassah Medical Center, Jerusalem, Israel (DW); and the Department of Anaesthesiology, Sapienza University of Rome, Rome, Italy (FB).