Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences, Louisiana State University School of Medicine, Shreveport, LA, USA. University of Washington, 1959 NE Pacific St, Seattle, WA, 98195, USA. Medical College of Wisconsin, Milwaukee, WI, 8701 W Watertown Plank Rd, Wauwatosa, WI, 53226, USA. Department of Anesthesiology, LSU Health Sciences Center, Room 656, 1542 Tulane Ave., New Orleans, LA, 70112, USA. LSU School of Medicine, New Orleans, and Research Associate, Department of Anesthesiology, LSU Health Sciences Center, Room 656, 1542 Tulane Ave., New Orleans, LA, 70112, USA. Department of Anesthesiology, LSU Health Shreveport, 1501 Kings Highway, Shreveport, LA, 71103, USA. ecorne@lsuhsc.edu.