[edited by] James C. Duke, MD, MBA, Associate Professor of Anesthesiology, University of Colorado Health Sciences Center, Aurora, Colorado, Associate Director (retired), Department of Anesthesiology, Denver Health Medical Center, Denver, Colorado, Brian M. Keech, MD, FAAP, Assistant Professor of Anesthesiology, University of Colorado Health Sciences Center, Aurora, Colorado, Staff Anesthesiologist, Department of Anesthesiology, Denver Health Medical Center, Denver, Colorado