1. Princess Amalia Children's Centre; Department of Neonatology; Isala Women and Children's Hospital Zwolle; AB Zwolle The Netherlands
2. Department of Pathology; Isala Women and Children's Hospital Zwolle; AB Zwolle The Netherlands
3. Department of Obstetrics and Gynaecology; Isala Woman and Children's Hospital Zwolle; AB Zwolle The Netherlands