Editor Admir Hadzic, MD, PhD Professor of Anesthesiology Department of Anesthesiology St. Luke's-Roosevelt Hospital Center College of Physicians & Surgeons Columbia University New York, New York Associate Editors Ana Carrera, PhD, MD Thomas B. Clark, DC, RVT Jeff Gadsden, MD, FRCPC, FANZCA Manoj Kumar Karmakar, MD, FRCA, FHKCA, FHKAM Xavier Sala-Blanch, MD Catherine F.M. Vandepitte, MD Daquan Xu, MD, MSc, MPH