C. Philip Larson Jr. MD, CM. MS, Emeritus Professor, Anesthesia and Neurosurgery, Stanford University, Professor of Clinical Anesthesiology (Retired), David Geffen School of Medicine at UCLARichard A. Jaffe, MD, PhD., Professor of Anesthesia and Neurosurgery, Stanford University, Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine