1. Department of Internal Medicine (Cardiology) (D.T., G.G.S., N.J., H.I.M., S.L., T.G.G., J.A.H.)
2. Advanced Center for Chronic Diseases and Center for Molecular Studies of the Cell, Faculty of Chemical & Pharmaceutical Sciences and Faculty of Medicine, University of Chile, Santiago (S.L.).
3. Department of Molecular Biology (J.A.H.), University of Texas Southwestern Medical Center, Dallas.