1. University of California San Francisco Center for Vulnerable Populations, Division of General Internal Medicine at San Francisco General Hospital, San Francisco, California
2. Health Literacy and Learning Program, Division of General Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
3. Department of Medicine-Pediatrics, Louisiana State University Health Sciences Center-Shreveport, Shreveport, Louisiana
4. Division of General Internal Medicine, University of North Carolina Chapel Hill School of Medicine, Chapel Hill, North Carolina