1 Obstetrics & Gynaecology, Academic Medical Centre, the Netherlands; Obstetrics & Gynaecology, OLVG, Amsterdam, the Netherlands.
2 Obstetrics & Gynaecology, Academic Medical Centre, the Netherlands.
3 Obstetrics & Gynaecology, Netherlands; CFRI Reproduction and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada.
4 Epidemiology, University Medical Centre, Groningen, the Netherlands.
5 Obstetrics & Gynaecology, Netherlands; CFRI Reproduction and Healthy Pregnancy Cluster, University of British Columbia, Vancouver, Canada; School of Public and Population Health, University of British Columbia, Vancouver, Canada.