[1] WHO, Dept Sexual & Reprod Hlth & Res, UNDP UNFPA UNICEF WHO World Bank Special Programm, Geneva, Switzerland
[2] Univ Toronto, Dept Obstet & Gynecol, Toronto, ON, Canada
[3] Karolinska Inst, Dept Womens & Childrens Hlth, Solna, Sweden
[4] South Gen Hosp, Stockholm, Sweden
[5] WHO, Dept Sexual & Reprod Hlth & Res, Geneva, Switzerland
[6] WHO, UNDP UNFPA UNICEF WHO World Bank Special Programm, Geneva, Switzerland