1. Reproductive Medecine Unit, New EGA, UCLH, Euston Road, London NW1 2BU, UK
2. INSERM, Unité de Médecine de la Reproduction, Groupe Hospitalier Cochin-Saint Vincent de Paul, 82 avenue Denfert Rochereau, 75014 Paris, France
3. Bioethics Institute Ghent, Ghent University, Blandijnberg 2, B-9000 Ghent, Belgium
4. SISMER S.r.l, Via Mazzini, 12, 40138 Bologna, Italy
5. The Fertility Clinic 4071, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, 2100 Copenhagen, Denmark
6. Institute for Bioethics, University of Maastricht, Postbus 616, 6200 MD Maastricht, The Netherlands
7. ESHRE Central Office, Meerstraat 60, B-1852 Grimbergen, Belgium