[1] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, Epidemiol Branch, Div Intramural Populat Hlth Res, 6710B Rockledge Dr, Bethesda, MD 20892 USA
[2] Boston Univ, Sch Publ Hlth, Dept Epidemiol, Boston, MA USA
[3] Columbia Univ, Mailman Sch Publ Hlth, Dept Epidemiol, New York, NY USA
[4] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA USA
[5] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA USA
[6] Univ Calif Los Angeles, Coll Letters & Sci, Dept Stat, Los Angeles, CA USA
[7] Aarhus Univ, Dept Publ Hlth, Aarhus, Denmark
[8] Univ Montreal, Sch Publ Hlth, Dept Social & Preventat Med, Montreal, PQ, Canada
[9] CHUM Res Ctr, Hlth Innovat & Evaluat Hub, Montreal, PQ, Canada
[10] Univ Texas Med Branch, Dept Preventat Med & Community Hlth, Galveston, TX 77555 USA
[11] Emory Univ, Rollins Sch Publ Hlth, Dept Epidemiol, Atlanta, GA 30322 USA