1 Emergency Department, University Hospitals Saint-Luc, Brussels, Belgium; Acute Medicine Research Pole, Institute of Experimental and Clinical Research (IREC) Université Catholique de Louvain, Belgium. Electronic address: cornelia.genbrugge@saintluc.uclouvain.be.
2 Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States; School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States.