1 Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California.
2 Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California; Boston University's and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, Massachusetts.
3 Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California; Boston University's and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, Massachusetts. Electronic address: [email protected].