[1] KAISER PERMANENTE, MED CARE PROGRAM, NO CALIF REG, OAKLAND, CA USA
[2] UNIV ALABAMA, CORONARY ARTERY RISK DEV YOUNG ADULTS STUDY GRP, BIRMINGHAM, AL 35294 USA
[3] UNIV MINNESOTA, SCH PUBL HLTH, DEPT EPIDEMIOL, MINNEAPOLIS, MN 55455 USA
[4] NHLBI, DIV EPIDEMIOL & CLIN APPLICAT, BETHESDA, MD 20205 USA
[5] UNIV ALABAMA, DIV GEN & PREVENT MED, BIRMINGHAM, AL 35294 USA
[6] UNIV ALABAMA, BEHAV MED UNIT, BIRMINGHAM, AL 35294 USA