[1] Oregon Hlth & Sci Univ, Dept Geriatr Med, Portland, OR 97201 USA
[2] Beth Israel Deaconess Med Ctr, Div Intervent Cardiol, Boston, MA 02215 USA
[3] Harvard Univ, Sch Med, Boston, MA 02115 USA
[4] Kalra Hosp SRCNC Pvt Ltd, Dept Med, Div Cardiol, New Delhi, India
[5] Univ Pittsburgh, Med Ctr, Sect Geriatr Cardiol, Pittsburgh, PA USA
[6] VA Pittsburgh Healthcare Syst, Geriatr Res Educ & Clin Ctr, Pittsburgh, PA USA
[7] Vet Affairs Portland Hlth Care Syst, Portland, OR USA