1. Department of Obstetrics and Gynaecology, Radboud University Medical Centre, Nijmegen, the Netherlands
2. Department of Obstetrics and Gynaecology, Erasmus Medical Centre, Rotterdam, the Netherlands
3. Mnazi Mmoja Hospital, Zanzibar, United Republic of Tanzania
4. The Child Health Unit, Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
5. OLVG Hospital, Amsterdam, the Netherlands