1. Institute of Midwifery Charité—University Medicine Berlin Berlin Germany
2. School of Midwifery, Health and Social Work University College Antwerp Antwerp Belgium
3. Edinburgh Napier University School of Health and Social Care Edinburgh UK
4. School of Health Sciences University of Akureyri Akureyri Iceland
5. Department of Health Sciences University West Trollhättan Sweden
6. Department of Nursing and Reproductive, Perinatal and Sexual Health, School of Health Sciences University of Skövde Skövde Sweden
7. Munkebäck Antenatal Clinic Region Västra Götaland Gothenburg Sweden
8. Department of Obstetrics and Gynaecology OLVG Hospital Amsterdam The Netherlands
9. Maternal and Infant Nutrition & Nurture Unit, School of Community Health & Midwifery University of Central Lancashire Preston UK