[1] Univ Maryland, Sch Publ Hlth, Dept Epidemiol & Biostat, College Pk, MD 20742 USA
[2] Geisel Sch Med Dartmouth, Dartmouth Inst Hlth Policy & Clin Practice, Lebanon, NH USA
[3] Univ Maryland, Sch Publ Hlth, Dept Family Sci, College Pk, MD 20742 USA
[4] Univ Maryland, Sch Publ Hlth, Dept Behav & Community Hlth, College Pk, MD 20742 USA
[5] Univ Maryland, Prevent Res Ctr, College Pk, MD 20742 USA