Alexandre Joosten is an Associate Professor of Anesthesiology in the Department of Anesthesiology and Perioperative Medicine at at the University of California in Los Angeles. Maxime Cannesson is Professor and Chair of the Department of Anesthesiology and Perioperative Medicine at the University of California in Los Angeles. Robert G. Hahn is Professor of Anaesthesia and Intensive Care at the Karolinska Institutet in Sweden.