[1] Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden
[2] Lund Univ, Dept Hlth Sci, Lund, Sweden
[3] Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden
[4] Karolinska Univ Hosp, WHO Ctr, Stockholm, Sweden
[5] Karolinska Inst, Dept Global Publ Hlth, Stockholm, Sweden
[6] Mid Sweden Univ, Dept Hlth Sci, Ostersund, Sweden