University of Missouri-Columbia, School of Medicine and the Harry S Truman Memorial Veterans' Hospital.
Address correspondence to Karen L. Smarr, Harry S Truman Memorial Veterans' Hospital, Behavioral Health Service Line, Columbia, MO 65201. E-mail: [email protected]
Supported by the National Institute on Disability and Rehabilitation Research (H133B30039) and the Medical Research Service of the Department of Veterans Affairs.
Submitted for publication April 23, 2003; accepted April 24, 2003.