Maternal iodine intake and offspring attention-deficit/hyperactivity disorder: Results from a large prospective cohort study Abel, Marianne Hope, Ystrøm, Eivind, Caspersen, Ida Henriette, Meltzer, Helle Margrete, Aase, Heidi, Torheim, Liv Elin, Askeland, Ragna Bugge, Reichborn-Kjennerud, Ted, Brantsæter, Anne Lise (2017)