800
Participants
Start Date
July 31, 2005
Primary Completion Date
June 30, 2009
Study Completion Date
June 30, 2009
follow-up phone counseling
9 calls over 12 months
New Generation Health Center/UCSF, San Francisco
Collaborators (1)
ETR Associates
OTHER
William and Flora Hewlett Foundation
OTHER
University of California, San Francisco
OTHER