1. Office of Medical Education, University of North Carolina School of Medicine, Chapel Hill, NC, USA
2. Department of Internal Medicine, Oakland University William Beaumont School of Medicine, Rochester, MI, USA
3. Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, USA
4. Department of Psychiatry, University of Arkansas for Medical Sciences, Little Rock, AR, USA
5. Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
6. Department of Obstetrics and Gynecology, Loyola University Chicago Stritch School of Medicine, Chicago, IL, USA
7. Department of Medical Education, Dell Medical School-The University of Texas at Austin, Austin, TX, USA