1 Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
2 Julius Global Health, Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
3 Department of Obstetrics and Gynaecology, Korle-Bu Teaching Hospital, Accra, Ghana.
4 School of Medicine and Dentistry, College of Health Sciences, University of Ghana, Accra, Ghana.