[1] Univ Florida, Dept Clin & Hlth Psychol, Hlth Sci Ctr, Gainesville, FL 32610 USA
[2] Univ Pittsburgh, Dept Cardiol, Pittsburgh, PA 15260 USA
[3] Iowa Heart Ctr, Des Moines, IA USA
[4] Orlando Heart Ctr, Orlando, FL USA
[5] Medtronic Inc, Cardiac Rhythm Management Res, Minneapolis, MN USA