200
Participants
Start Date
October 31, 2004
Primary Completion Date
February 28, 2010
Study Completion Date
February 28, 2010
Multivitamin
1 tablet a day
Placebo
1 tablet a day
Mayo Clinic, Rochester
Lead Sponsor
University of Wisconsin, Madison
OTHER
University of California, San Francisco
OTHER
University of Alabama at Birmingham
OTHER
Ohio State University
OTHER
Mayo Clinic
OTHER