| Affiliation: | 1. From the Department of Surgery, Mayo Clinic, Jacksonville, Florida;2. Department of Health Sciences Research, Mayo Clinic, Jacksonville, Florida;3. Division of Endocrinology, Mayo Clinic, Jacksonville, Florida;4. Division of Primary Care Internal Medicine, Mayo Clinic, Rochester, Minnesota.;5. Division of Health Care Policy and Research and Robert D. and Patricia E. Kern Center for Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota;6. Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota. |
