[1] Univ Illinois, Inst Minor Hlth Res, Dept Med, Gen Internal Med Sect, Chicago, IL 60612 USA
[2] San Diego State Univ, Grad Sch Publ Hlth, San Diego, CA 92182 USA
[3] NHLBI, Div Cardiovasc Sci, NIH, Bethesda, MD 20892 USA
[4] Univ Calif San Diego, Dept Family & Prevent Med, La Jolla, CA 92093 USA
[5] Univ N Carolina, Collaborat Studies Coordinating Ctr, Chapel Hill, NC USA
[6] Univ Miami, Dept Psychol, Behav Med Res Ctr, Miami, FL USA
[7] Northwestern Univ, Feinberg Sch Med, Dept Prevent Med, Chicago, IL 60611 USA
[8] Northwestern Univ, Feinberg Sch Med, Dept Med Social Sci, Chicago, IL 60611 USA
[9] Albert Einstein Coll Med, Dept Epidemiol & Populat Hlth, Bronx, NY 10467 USA