1. From the Department of Chronic Diseases (J.M.C., R.M.S., I.O., L.J.K., K.F.) and Centre for Fertility and Health (J.M.C., K.F.), Norwegian Institute of Public Health, Oslo; Department of Clinical Medicine (S.A., M.-H.B.), University of Bergen, Norway; National Center for Epilepsy (S.A.), Oslo University Hospital, Norway; Division of Pharmacoepidemiology and Pharmacoeconomics (E.A.S., B.T.B., K.F.H., L.S.), Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA;...