1. From the Division of Cardiovascular Diseases and Internal Medicine (V.L.R., A.S.J.) and the Department of Health Sciences Research (V.L.R., J.M.K., S.A.W.), Mayo Clinic College of Medicine, Rochester, Minn; the Department of Medical Informatics (J.K.), Erasmus University Medical Center, Rotterdam, the Netherlands; the Department of Laboratory Medicine and Pathology (P.J.S.), Division of Clinical Core Laboratory Services, and the Cardiovascular Epidemiology Unit (H.T.-P.), Institute of Cardiovascular...