[1] Northwestern Univ, Feinberg Sch Med, Med Humanities & Bioeth & PM&R, Chicago, IL 60611 USA
[2] Dept Phys Med & Rehabil, Chicago, IL USA
[3] Med Humanities & Bioeth Program, Chicago, IL USA
[4] Univ Chicago, Sect Orthoped Surg & Rehabil, Chicago, IL 60637 USA
[5] Schwab Rehabil Hosp, Spinal Cord Injury Program, Chicago, IL USA
[6] Univ Colorado, Sch Med, Dept Psychiat, Aurora, CO USA
[7] Univ Colorado, Sch Med, Dept Neurol, Aurora, CO USA
[8] Univ Colorado, Sch Med, Dept Phys Med & Rehabil, Aurora, CO USA
[9] Mental Illness Res Educ & Clin Ctr, Vet Integrated Serv Network 19, Denver, CO USA
[10] Natl Intrepid Ctr Excellence, Bethesda, MD USA
[11] Univ Colorado, Sch Med, Dept Neurosurg, Aurora, CO USA
[12] Univ Colorado, Sch Med, Dept Phys Med, Aurora, CO USA
[13] Univ Colorado, Sch Med, Dept Rehabil Med, Aurora, CO USA