[1] Harvard Univ, Sch Publ Hlth, Dept Epidemiol, Boston, MA 02115 USA
[2] Harvard Univ, Sch Publ Hlth, Channing Lab,Dept Hlth & Social Hlth, Brigham & Womens Hosp,Dept Med, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Harvard Univ, Sch Publ Hlth, Dept Biostat, Cambridge, MA 02138 USA
[5] Harvard Univ, Sch Publ Hlth, Channing Lab,Dept Epidemiol, Brigham & Womens Hosp,Dept Med, Boston, MA 02115 USA
[6] Harvard Univ, Sch Publ Hlth, Channing Lab,Dept Nutr, Brigham & Womens Hosp,Dept Med, Boston, MA 02115 USA