Association of ventilator type with hospital mortality in critically ill patients with SARS-CoV2 infection: a prospective study oleh Alexis Ferré, Fabien Marquion, Marc Delord, Antoine Gros, Guillaume Lacave, Virginie Laurent, Sybille Merceron, Marine Paul, Christelle Simon, Gilles Troché, Clément Charbonnel, Stéphanie Marque-Juillet, Fabrice Bruneel, Stéphane Legriel, the RESPI-COVID19 Study Group