1 Department of Anesthesiology, University of Virginia Health System, Charlottesville, Virginia, jr5ef@virginia.edu Department of Anesthesiology, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada Department of Anesthesiology, Zucker School of Medicine at Hofstra/Northwell, Northshore University Hospital, Manhasset, New York Missoula Anesthesiology, Affiliate with International Heart Institute of Montana at Providence St Patrick Hospital, Missoula, Montana Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina Department of Anesthesiology, Lehigh Valley Health Network, University of South Florida Morsani College of Medicine, Tampa, Florida, AAA Anesthesia Associates, PhyMed Healthcare Group, Allentown, Pennsylvania.