Susan R. Wilcox, MD, FACEP, FCCMChief, Division of Critical CareDepartment of Emergency MedicineHeart Center ICUMassachusetts General HospitalAssistant Professor, Harvard Medical SchoolAni Aydin, MDAssistant ProfessorYale School of MedicineDepartment of Emergency Medicine and Department of Surgery, Division of General Surgery, Trauma and Surgical Critical Care New Haven, CTEvie G. Marcolini, MDAssistant ProfessorGeisel School of Medicine at DartmouthEmergency Medicine and Neurocritical CareHanoverNew Hampshire USA