1 Department of Anesthesiology and Department of Medicine - Critical Care Division, Centre hospitalier de l'Université de Montréal (CHUM), 900, rue Saint-Denis, porte S03-434, Montréal, QC, H2X 0A9, Canada. francois.martin.carrier@umontreal.ca.
2 Centre de Recherche du Centre hospitalier de l'Université de Montréal, Montréal, QC, Canada. francois.martin.carrier@umontreal.ca.
3 Department of Anesthesiology, Centre hospitalier de l'Université de Montréal, Montréal, QC, Canada.
4 Department of Anesthesiology, Hôpital Maisonneuve-Rosemont, Montréal, QC, Canada.
5 Obstetric Section, Canadian Anesthesiologists' Society, Toronto, ON, Canada.