[1] Univ North Carolina Chapel Hill, Dept Phys Med & Rehabil, Sch Med, Chapel Hill, NC USA
[2] Virginia Commonwealth Univ, Sch Social Work, Richmond, VA USA
[3] Lincoln Community Hlth Ctr, Behav Hlth, Durham, NC 27707 USA
[4] Univ North Carolina Chapel Hill, Sch Med, Dept Phys Med & Rehabil, Chapel Hill, NC 27514 USA