1. Department of Medicine, Division of General Internal Medicine, Mayo Clinic, Jacksonville, FL, USA
2. Department of Medicine, Division of Hospital Internal Medicine, Mayo Clinic, Rochester, MN, USA
3. Department of Medicine, Division of Hospital Internal Medicine, Mayo Clinic, Jacksonville, FL, USA
4. Department of Health Sciences Research, Division of Biomedical Statistics and Informatics, Mayo Clinic, Jacksonville, FL, USA
5. Robert D and Patricia E Kern Center for Science of Health Care Delivery, Mayo Clinic, Jacksonville, FL, USA
6. Administration, Mayo Clinic, Jacksonville, FL, USA
7. Department of Health Sciences Research, Division of Health Care Policy and Research, Mayo Clinic, Rochester, MN, USA