[1] Geisinger Wyoming Valley Med Cntr, Dept Internal Med, Wilkes Barre, PA USA
[2] Atlanta VA Med Ctr, Div Cardiol, Decatur, GA USA
[3] Univ Missouri, Dept Internal Med, Columbia, MO USA
[4] Wright Ctr Grad Med Educ, Dept Internal Med, Scranton, PA USA
[5] Beth Israel Deaconess Med Ctr, Div Cardiol, Boston, MA 02215 USA
[6] Andreas Gruentzig Cardiovasc Ctr, Div Cardiol, Atlanta, GA USA
[7] Morehouse Sch Med, Dept Internal Med, Atlanta, GA 30310 USA
[8] Emory Univ, Sch Med, Morehouse Sch Med, Div Cardiol, Atlanta, GA USA
[9] Emory Univ, Sch Med, Atlanta VA Med Ctr, Div Cardiol, Atlanta, GA USA