1. Department of Obstetrics and Gynaecology Isala Hospital Zwolle The Netherlands
2. Department of Epidemiology‐HPC FA40, University of Groningen University Medical Center Groningen Groningen The Netherlands
3. Mediscan Ultrasound Center Chennai India
4. Department of Obstetrics and Prenatal Diagnosis University Medical Center Groningen, University of Groningen Groningen The Netherlands
5. Amsterdam UMC, Location VU Amsterdam The Netherlands