800
Participants
Start Date
July 1, 2007
Primary Completion Date
December 1, 2010
Study Completion Date
December 1, 2017
VA Salt Lake City Health Care System, Salt Lake City, UT, Salt Lake City
VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle
Tennessee Valley Healthcare System Nashville Campus, Nashville, TN, Nashville
Vanderbilt University Medical Center
OTHER
VA Office of Research and Development
FED