1 Department of Anaesthesia and Pain Management, Toronto Western Hospital, University Health Network, Toronto, ON, Canada Department of Anaesthesia, University of Toronto, Toronto, ON, Canada.
2 Department of Anaesthesia, AZ Monica, Campus Deurne, F. Pauwelslei 1, Deurne 2100, Belgium doktervdputte@gmail.com.
3 Department of Anaesthesia, GZA Hospitals, Campus Sint-Augustinus, Wilrijk, Belgium.