Division of Primary Care Internal Medicine, Mayo Clinic, Rochester, MN, USA. njeru.jane@mayo.edu. Division of Primary Care Internal Medicine, Mayo Clinic, Rochester, MN, USA. Mayo Clinic School of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA. Massachusetts General Hospital, Boston, MA, USA. Division of Infectious Diseases, Mayo Clinic, Rochester, MN, USA. Division of Health Care Policy and Research, Mayo Clinic, Rochester, MN, USA. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA. Mayo Medical Library, Mayo Clinic, Rochester, MN, USA. Division of Preventive, Occupational, and Aerospace Medicine, Mayo Clinic, Rochester, MN, USA.