Dennis Auckley1,2, Stavros Memtsoudis2,3,4. 1. Division of Pulmonary, Critical Care and Sleep Medicine, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio. 2. Society of Anesthesia and Sleep Medicine, Milwaukee, Wisconsin. 3. Anesthesia and Health Policy and Research, Weill Cornell Medical College, New York, New York. 4. Department of Anesthesiology, Hospital for Special Surgery, New York, New York.