1. Division of Cardiovascular Medicine, University of Rochester Medical Center, NY (J.B., F.L., E.H.H., C.J.L., S.T.).
2. Division of Cardiovascular Medicine, Michigan Integrated Center for Health Analytics and Medical Prediction (M-CHAMP), University of Michigan Health System, Ann Arbor (B.K.N.).
3. Ann Arbor VA Center for Clinical Management and Research, MI (B.K.N.).
4. Minneapolis Heart Institute, MN (S.M.B.).
5. Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health, Denver, CO (A.M.).
6. Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado, Denver (A.M.).
7. National Jewish Health, Denver, CO (A.M.).