Exercise and Behavioral Therapy Trial (EBT).

New York Harbor VA Healthcare System, Brooklyn Campus, Brooklyn

Philadelphia Vamc, Philadelphia

Georgetown University Medical Center, Washington D.C.

Richmond Vamc, Richmond

Birmingham Vamc Birmingham Vamc, Birmingham

Birmingham Vamc, Birmingham

Vamc - Dayton, Dayton

Fargo Vamc, Fargo

John Cochran VAMC, Saint Louis, St Louis

Houston Vamc, Houston

Audie L. Murphy Memorial Veterans Hospital, San Antonio, San Antonio

Vamc - Albuquerque, Albuquerque

Naval Health Research Center, San Diego, San Diego

San Francisco Vamc, San Francisco

Portland Vamc, Portland

VA Puget Sound Healthcare System, Seattle Division, Seattle

Naval Health Research Center, San Diego, San Diego

Naval Health Research Center, San Diego, San Diego

VA CT Healthcare System, West Haven, West Haven

Walter Reed Army Medical Center, Washington D.C.

Uniformed Services University, Bethesda

Boston Vamc, Boston

Boston Medical Center, Boston

Boston Vamc, Boston

VA New Jersey Health Care System, East Orange, East Orange

White River Junction Vamc, Burlington

White River Junction Vamc, White River Jct.

VA Puget Sound Healthcare System, Seattle Division, Seattle

San Juan Vamc, San Juan