[1] Dept Vet Affairs VA Measurement Excellence, Houston, TX USA
[2] Training Resource Informat Ctr, Houston, TX USA
[3] Univ Washington, Dept Rehabil Med, Seattle, WA 98195 USA
[4] Evanston NW Healthcare Ctr Outcomes Res & Educ, Chicago, IL USA
[5] Vet Affairs Med Ctr, Houston Ctr Qual Care & Utilizat Studies, Houston, TX USA
[6] Baylor Coll Med, Dept Med, Houston, TX 77030 USA
[7] Univ Texas, Hlth Sci Ctr, Sch Nursing, Houston, TX USA
[8] Baylor Coll Med, Dept Phys Med & Rehabil Med, Houston, TX 77030 USA