[1] Univ Washington, Dept Med, Div Cardiol, Seattle, WA USA
[2] Vet Hlth Adm Eastern Colorado Healthcare Syst, Seattle Denver Ctr Innovat Vet Ctr & Value Driven, Aurora, CO USA
[3] VA Puget Sound Hlth Care Syst, Seattle, WA USA
[4] Rocky Mt Reg Vet Affairs Med Ctr, Aurora, CO USA
[5] Vet Hlth Adm, Off Qual & Patient Safety, CART Program, Washington, DC USA
[6] Univ Colorado, Dept Med, Div Cardiol, Aurora, CO USA
[7] Rocky Mt Reg VA Med Ctr, 1700 N Wheeling St, Suite F2-114, Aurora, CO 80045 USA