1. Centre for Ethics and Law in the Life Sciences, Durham Law School , Durham DH1 3LE, UK
2. Edmond and Lily Safra Center for Ethics and Petrie-Flom Center for Health Law Policy, Biotechnology and Bioethics, Harvard University , Cambridge, Massachusetts 02138, United States
3. Department of Obstetrics and Gynecology, Erasmus MC , The Netherlands
4. Department of Medical Ethics, Philosophy and History of Medicine , Erasmus MC, The Netherlands
5. Department of Neonatology, Erasmus MC , The Netherlands
6. Department of Obstetrics, Leiden University Medical Center , The Netherlands