[1] Univ Massachusetts, Dept Publ Hlth, Sch Hlth Sci, Lowell, MA USA
[2] Icahn Sch Med Mt Sinai, Dept Environm Med & Publ Hlth, New York, NY 10029 USA
[3] Yale Sch Publ Hlth, Yale Ctr Perinatal Paediat & Environm Epidemiol, New Haven, CT USA
[4] Yale New Haven Med Ctr, Dept Obstet Gynecol & Reprod Sci, Yale Sch Med, 20 York St, New Haven, CT 06504 USA
[5] Karlstad Univ, Dept Hlth Sci, Karlstad, Sweden
[6] Univ Fed Parana UFPR, Dept Fisiol, Setor Ciencias Biol, Curitiba, Parana, Brazil
[7] Aarhus Univ, Dept Publ Hlth, Aarhus, Denmark
[8] Univ Copenhagen, Rigshosp Glostrup, Danish Headache Ctr, Dept Neurol, Copenhagen, Denmark
[9] Queens Med Res Inst, MRC Ctr Reprod Hlth, Edinburgh, Midlothian, Scotland
[10] Univ Copenhagen, Rigshosp, Dept Growth & Reprod & EDMaRC, Copenhagen, Denmark
[11] Univ Rennes, Irset Inst Rech Sante Environm & Travail, UMR S 1085, INSERM,EHESP, Rennes, France
[12] Univ Copenhagen, Dept Biol, Copenhagen, Denmark