1. Department of Obstetrics and Gynaecology; Máxima Medical Centre; Veldhoven Netherlands
2. Department of Obstetrics and Gynaecology; Elkerliek Hospital; Helmond Netherlands
3. Department of Obstetrics and Gynaecology; Monash University; Clayton Australia
4. Department of Obstetrics and Gynaecology; Department of Electrical Engineering (University of Technology, Eindhoven); Máxima Medical Centre; Veldhoven Netherlands