[1] Edward Hines Jr Dept Vet Affairs VA Hosp, Ctr Innovat Complex Chron Healthcare, Hines, IL USA
[2] Northwestern Univ, Feinberg Sch Med, Dept Psychiat & Behav Sci, Chicago, IL 60611 USA
[3] Northwestern Univ, Feinberg Sch Med, Dept Prevent Med, Inst Publ Hlth & Med, Chicago, IL 60611 USA
[4] Northwestern Univ, Feinberg Sch Med, Ctr Healthcare Studies, Inst Publ Hlth & Med, Chicago, IL 60611 USA
[5] Univ Kentucky, Coll Med, Cardinal Hill Rehabil Hosp, Lexington, KY USA
[6] Univ Kentucky, Coll Med, Dept Phys Med & Rehabil, Lexington, KY USA
[7] Univ Kentucky, Coll Med, Dept Neurosurg, Lexington, KY USA
[8] Univ Kentucky, Dept Psychol, Coll Med, Lexington, KY 40506 USA
[9] Lexington VA Med Ctr, Lexington, KY USA
[10] Southern Arizona VA Hlth Care Syst, Tucson, AZ USA
[11] Indiana Univ Sch Med, Dept Psychiat, Ctr Res Neurosci, Indianapolis, IN 46202 USA
[12] Edward Hines Jr VA Hosp, Spinal Cord Injury Qual Enhancement Res Initiat, Hines, IL 60141 USA
[13] Northwestern Univ, Ann & Robert H Lurie Childrens Hosp Chicago, Stanley Manne Childrens Res Inst,Dept Pediat, Child Hlth Res Program,Feinberg Sch Med, Chicago, IL 60611 USA
[14] Edward Hines Jr VA Hosp, Cooperat Studies Program Coordinating Ctr, Hines, IL 60141 USA
[15] George Washington Univ, Dept Clin Res & Leadership, Washington, DC USA
[16] Edward Hines Jr VA Hosp, Res & Dev Serv, Hines, IL 60141 USA
[17] Northwestern Univ, Feinberg Sch Med, Dept Phys Med & Rehabil, Chicago, IL 60611 USA