1. Division of Cardiology, Department of Medicine (F.E., R.A.d., R.S.B.B., B.J.W.C.)
2. Fonte Imagem, Rio de Janeiro, Brazil (F.E.)
3. Department of Medicine, Casa de Saude São Jose, Rio de Janeiro, Brazil (F.E.)
4. Cardiovascular Methods Center (A.H.), University of Ottawa Heart Institute, Ontario, Canada
5. Division of Cardiovascular Medicine (S.D., M.F.D.C.)
6. Division of Nuclear Medicine (S.D., M.F.D.C.), Brigham and Women’s Hospital, Boston, MA
7. Department of Medicine, Emory University School of Medicine, Atlanta, GA (L.J.S., E.V.)
8. Niagara Falls Memorial Medical Center, NY (M.E.M.)
9. Geisinger Medical Center, Danville, PA (B.A.W.)
10. Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA (J.K.M., D.S.B.).