[1] Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, Box 2930, San Francisco, CA 94143 USA
[2] Univ Calif Davis, Betty Irene Moore Sch Nursing, 2450 48th St, Sacramento, CA 95817 USA
[3] Univ Calif Davis, Dept Stat, 4101 Math Sci Bldg, Davis, CA 95616 USA
[4] Univ Calif Davis, Dept Pediat, 2521 Stockton Blvd,Suite 2200, Sacramento, CA 95817 USA
[5] Univ Calif San Francisco, Dept Pediat, 3333 Calif St,Box 0848, San Francisco, CA 94143 USA
[6] Univ Calif San Francisco, Dept Family & Community Med, 500 Parnassus Ave,Box 0900, San Francisco, CA 94143 USA
[7] Univ Calif San Francisco, Ctr Hlth & Community, 3333 Calif St,Box 0844, San Francisco, CA 94143 USA
[8] McGill Univ, Douglas Mental Hlth Univ Inst, Douglas Res Ctr, 6875 Blvd LaSalle, Montreal, PQ H4H 1R3, Canada
[9] McGill Univ, Ludmer Ctr Neuroinformat & Mental Hlth, Montreal, PQ, Canada
[10] McGill Univ, Dept Psychiat, 230 South Frontage Rd, Montreal, PQ 06519, Canada
[11] Yale Sch Med, Yale Child Study Ctr, 230 South Frontage Rd, New Haven, CT 06519 USA