[1
]Division of Cardiovascular Medicine, Sarver Heart Center, University of Arizona, Tucson
(K.B.).
[2
]Division of Cardiovascular Medicine, Yale School of Medicine, New Haven, CT (E.S.S.).
[3
]Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston,
MA (D.B.K., R.K.W.).
[4
]Division of General Internal Medicine, University of Pittsburgh School of Medicine,
PA (U.R.E.).
[5
]Division of Cardiovascular Medicine, University of Colorado, Anschutz Medical Campus,
Aurora (P.N.P., P.M.H.).
[6
]Division of Cardiology, Denver Health Medical Center, CO (P.N.P.).
[7
]Division of Cardiovascular Medicine, University of Michigan, Ann Arbor (B.K.N.).