[1] Vet Affairs Eastern Colorado Hlth Care Syst, Educ & Clin Ctr, VISN Mental Illness Res 19, Denver, CO 80220 USA
[2] Univ Colorado, Dept Psychiat, Aurora, CO USA
[3] Colorado Sch Publ Hlth, Dept Biostat & Informat, Aurora, CO USA
[4] Vet Affairs Eastern Colorado Hlth Care Syst, Denver, CO USA
[5] Ohio State Univ, Dept Phys Med & Rehabil, Columbus, OH 43210 USA
[6] Univ Colorado, Dept Phys Med, Aurora, CO USA
[7] Univ Colorado, Dept Rehabil & Neurol, Aurora, CO USA