Affiliation: | 1. Mayo Clinic, Department of Internal Medicine, 200 First Street SW, Rochester, MN 55905, USA;2. Mayo Clinic, Division of Anatomic Pathology, 200 First Street SW, Rochester, MN 55905, USA;3. Mayo Clinic, Division of Cardiovascular Diseases, 200 First Street SW, Rochester, MN 55905, USA;4. Mayo Clinic Department of Cardiac Surgery, 200 First Street SW, Rochester, MN 55905, USA |