[1] Univ Copenhagen, Inst Publ Hlth, Global Hlth Sect, Copenhagen, Denmark
[2] Univ Aarhus, Aarhus, Denmark
[3] Aga Khan Univ, Med Coll East Afr, Dar Es Salaam, Tanzania
[4] Univ Amsterdam, Athena Inst, Amsterdam, Netherlands
[5] Leiden Univ, Med Ctr, Dept Gynecol & Obstet, Leiden, Netherlands
[6] Hvidovre Univ Hosp, Dept Gynecol & Obstet, Copenhagen, Denmark