1. Department of Family Medicine, Boston University Medical Center, Boston, MA.
2. Information Technology–Application Service, Boston University School of Medicine, Boston, MA.
3. Department of Medicine, University of California at San Diego, San Diego, CA.
4. Department of Research and Evaluation, Kaiser Permanente, Pasadena, CA.
5. Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
6. Department of Pediatrics, Ohio State University College of Medicine, Columbus, OH.