1. Department of Women's and Children's Health Karolinska Institutet WHO‐Center Karolinska University Hospital Stockholm Sweden
2. Department of Obstetrics and Gynecology Oregon Health & Science University Portland OR USA
3. Department of Obstetrics and Gynecology Faculty of Medical Sciences University of Campinas Campinas Brazil
4. Clare Park Hospital Farnham UK
5. Department of Public Health School of Medicine University of Naples Federico II Naples Italy