Published Online: June 3, 2013. doi:10.1001/jamainternmed.2013.6480
Acquisition of data: Abbo, Beekmann, Polgreen.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Abbo, Beekmann, Hooton.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Beekmann.
Obtained funding: Hooton, Polgreen.
Administrative, technical, and material support: Beekmann, Polgreen.
Study supervision: Abbo, Hooton, Polgreen.
Conflict of Interest Disclosures: None reported.
Group Information: Information about the Infectious Diseases Society of America Emerging Infections Network is available at http://ein.idsociety.org.
Previous Presentation: Preliminary data from this study were presented at IDWeek: Annual Meeting of The Infectious Diseases Society of America (IDSA), the Society for Healthcare Epidemiology of America (SHEA), the HIV Medicine Association (HIVMA), and the Pediatric Infectious Diseases Society (PIDS); October 17-21, 2012; San Diego, California.
Additional Contributions: Antoine Azar, MD, Carver College of Medicine, University of Iowa, contributed to the study design and review of the manuscript.