Affiliations
1 Amsterdam University Medical Centre, Vrije Universiteit Amsterdam, Department of Midwifery Science, AVAG/Amsterdam Public Health, The Netherlands
2 School of Community Health and Midwifery, Faculty of Health and Care, University of Central Lancashire, UK.
3 Research Centre of Midwifery Science Maastricht, Zuyd University, The Netherlands
4 Amsterdam University Medical Centre, Vrije Universiteit Amsterdam, Department of Midwifery Science, AVAG/Amsterdam Reproduction and Development , The Netherlands