[1] Vet Rural Hlth Resource Ctr Iowa City, VA Off Rural Hlth ORH, Iowa City, IA USA
[2] Iowa City VA Healthcare Syst, Ctr Access & Delivery Res & Evaluat, Iowa City, IA USA
[3] Univ Missouri, Sinclair Sch Nursing, Columbia, MO 65211 USA
[4] VA Pittsburgh Healthcare Syst, Pittsburgh, PA USA
[5] Univ Pittsburgh, Dept Med, Pittsburgh, PA USA
[6] Univ Pittsburgh, Med Ctr, Pittsburgh, PA USA
[7] Providence VA Med Ctr, Ctr Innovat Long Term Serv & Support, Providence, RI USA
[8] Miriam Hosp, Cardiovasc Rehab Ctr, Providence, RI 02906 USA
[9] Brown Univ, Alpert Med Sch, Providence, RI 02912 USA
[10] Brown Univ, Sch Publ Hlth, Providence, RI 02912 USA
[11] Univ Iowa, Div Cardiovasc Med, Iowa City, IA USA