1 Adult Intensive Care Unit, University Hospital of Lausanne and Lausanne University, Route du Bugnon 46, 1011, Lausanne, Switzerland. lise.piquilloud@chuv.ch.
2 Center for Acute Respiratory Failure, Columbia University, New York, NY, USA.
3 Medical ICU, University Hospital of Angers, Vent'Lab, University of Angers, Angers, France.