[1] Mt Sinai Sch Med, Dept Rehabil Med, New York, NY 10029 USA
[2] Univ Iowa, Dept Prevent Med, Iowa City, IA 52242 USA
[3] Fred Hutchinson Canc Res Ctr, Dept Epidemiol, Seattle, WA 98104 USA
[4] Baylor Coll Med, Dept Phys Med & Rehabil, Houston, TX 77030 USA
[5] Inst Cognit Prosthet, Bala Cynwyd, PA USA
[6] Univ Arizona, Dept Speech & Hearing Sci, Tucson, AZ 85721 USA
[7] Charles R Drew Univ Med & Sci, Biobehav Res Ctr, Los Angeles, CA 90059 USA
[8] Univ Missouri, Sch Med, Columbia, MO USA
[9] Harry S Truman Mem Vet Hosp, Dept Vet Affairs, Columbia, MO 65201 USA
[10] Johns Hopkins Univ, Sch Med, Div Child & Adolescent Psychiat, Baltimore, MD USA
[11] Northwestern Univ, Sch Med, Dept Phys Med & Rehabil, Chicago, IL USA
[12] Rehabil Inst Chicago, Chicago, IL 60611 USA
[13] Univ Wisconsin, Waisman Ctr, Madison, WI 53705 USA
[14] Med Univ S Carolina, Charleston, SC 29425 USA
[15] Univ Maryland, Sch Med, Dept Neurol, Baltimore, MD 21201 USA
[16] Univ Michigan, Sch Nursing, Ctr Enhancement & Restorat Cognit Funct, Ann Arbor, MI 48109 USA
[17] Yale Univ, Sch Med, Connecticut Mental Hlth Ctr, Dept Psychiat, New Haven, CT 06508 USA
[18] Olmsted Med Ctr, Rochester, MN USA