1 Anesthesiology and Intensive Care Department, Hautepierre-CCOM Strasbourg University Hospital, Strasbourg, France, eric.noll@chru-strasbourg.fr IHU-Strasbourg, Institute for Image-Guided Surgery, Strasbourg, France Anesthesiology and Intensive Care Department, Hautepierre-CCOM Strasbourg University Hospital, Strasbourg, France.