1Infectious Disease Division, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE.
2Critical Care Division, Department of Anesthesiology, University of Nebraska Medical Center, Omaha, NE.
3Critical Care Department, National Institutes of Health, Bethesda, MD.
Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal’s website (http://journals.lww.com/ccmjournal).
Dr. Kalil contributed in study and concept design, literature search, data collection, statistical analysis, data analysis, data interpretation, writing, critical revision, and submission. Dr. Johnson contributed in data collection, data analysis, data interpretation, writing, and critical revision. Dr. Lisco contributed in data analysis, data interpretation, writing, and critical revision. Dr. Sun contributed in statistical analysis, data analysis, data interpretation, writing, and critical revision.
All authors have completed the Unified Competing Interest form at http://www.icmje.org/coi_disclosure.pdf. Dr. Sun has disclosed government work. The remaining authors have disclosed that they do not have any potential conflicts of interest.
For information regarding this article, E-mail: [email protected]