[1] Yale Univ, New Haven, CT USA
[2] Univ N Carolina, Chapel Hill Sch Nursing, Chapel Hill, NC 27515 USA
[3] Univ N Carolina, Div Geriatr Med, Chapel Hill, NC 27515 USA
[4] Univ N Carolina, Dept Family Med, Chapel Hill, NC 27515 USA
[5] Univ N Carolina, Hlth Sci Lib, Chapel Hill, NC USA
[6] Inst Patient & FamilyCentered Care, Mclean, VA USA
[7] Univ N Carolina, Chapel Hill, NC 27515 USA