Section 3 Questionnaire Visit 1 Please see Visit Baseline Visit 2-37 April 1, 1984 - September 30, 2002 Visit 38-48 October 1, 2002 - March 31, 2008 w/variables Spanish Visit 49 April 1, 2008 - September 30, 2008 w/variables Spanish                    This page was last updated July 2008.