[1] Univ Hawaii, Cardiovasc Dis Fellowship Program, Honolulu, HI 96822 USA
[2] Harvard Univ, Sch Med, Dept Hlth Care Policy, Boston, MA 02115 USA
[3] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[4] Tufts St Elizabeths Med Cntr, Div Cardiovasc, Brighton, MA USA
[5] Harvard Univ, Sch Med, Dept Healthcare Policy, Boston, MA USA
[6] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[7] Univ Hawaii, Honolulu, HI 96822 USA