1. Robert L. Owens is Assistant Professor of Medicine, University of California San Diego, Division of Pulmonary, Critical Care, and Sleep Medicine, La Jolla, CA 92037 (). Truong-Giang Huynh is ICU Assistant Nurse Manager, Jacobs Medical Center, University of California, San Diego Health, La Jolla, California. Giora Netzer is Associate Professor of Medicine and Epidemiology, Division of Pulmonary and Critical Care Medicine, University of Maryland School of Medicine, Baltimore, Maryland.