Affiliations

• ¹ Fetal Medicine Unit, St George’s Hospital, St George’s University of London, London, UK.
• ² The Johns Hopkins Center for Fetal Therapy, Baltimore, MD, USA.
• ³ Fetal Medicine Units and Departments of Obstetrics, Hospital Clinic-IDIBAPS, University of Barcelona, Barcelona, Spain.
• ⁴ Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germaniy.
• ⁵ Centre for Women’s and Children's Health, University of Birmingham and Fetal Medicine Centre, Birmingham Women’s Foundation Trust, Birmingham, UK.
• ⁶ Department of Obstetrics and Gynecology, University Hospitals Leuven, Leuven, Belgium.
• ⁷ Harris Birthright Research Centre for Fetal Medicine, King’s College Hospital, London, UK.
• ⁸ Division of Fetal Medicine, Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands.
• ⁹ Division of Child Health, Obstetrics and Gynaecology, School of Medicine, University of Nottingham, Nottingham, UK.
• ¹⁰ Twin and Multiple Births Association (TAMBA).
• ¹¹ Hopital Necker-Enfants Malades, AP-HP, Universit´e Paris Descartes, Paris, France.
• ¹² Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.
• ¹³ Hospital Necker-Enfants Malades, AP-HP, Université Paris Descartes, Paris, France.