[1] Univ Pittsburgh, Sch Med, Dept Med, Pittsburgh, PA 15260 USA
[2] Univ Pittsburgh, Ctr Res Hlth Care, Pittsburgh, PA 15260 USA
[3] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Hlth Policy & Management, Pittsburgh, PA 15260 USA
[4] Univ Phoenix, Phoenix, AZ USA
[5] Univ Pittsburgh, Med Ctr, Informat Serv Dept, Pittsburgh, PA 15260 USA
[6] Univ Calif Irvine, Program Nursing Sci, Irvine, CA 92717 USA
[7] VA Pittsburgh Healthcare Syst, Ctr Hlth Equ Res & Promot, Pittsburgh, PA USA
[8] Univ Pittsburgh, Inst Diabet, Pittsburgh, PA 15260 USA
[9] Univ Pittsburgh, Sch Nursing, Dept Hlth & Community Syst, Pittsburgh, PA 15260 USA