Iliana Neumann, MD Anne Mounsey, MD Niladri Das, MD Department of Family Medicine, University of North Carolina at Chapel Hill (Drs. Neumann and Mounsey); Family Medicine Residency Program, University of Pittsburgh St. Margaret, Pa (Dr. Das)
PURLs EDITOR James J. Stevermer, MD, MSPH Department of Family and Community Medicine, University of Missouri-Columbia
Acknowledgement The PURLs Surveillance System was supported in part by Grant Number UL1RR024999 from the National Center For Research Resources, a Clinical Translational Science Award to the University of Chicago. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center For Research Resources or the National Institutes of Health.