210
Participants
Start Date
Not specified
Study Completion Date
December 31, 2003
Southern Arizona VA Health Care System, Tucson, AZ, Tucson
VA Greater Los Angeles Healthcare System, West Los Angeles, CA, West Los Angeles
VA San Diego Healthcare System, San Diego, CA, San Diego
VA Palo Alto Health Care System, Palo Alto, CA, Palo Alto
US Department of Veterans Affairs
FED