1. Imprinting and Cancer group, Bellvitge Institute for Biomedical Research, Gran via, L’Hospitalet de Llobregat, Barcelona, Spain
2. Department of Obstetrics and Gynecology, Valencia University and INCLIVA, Valencia, Spain
3. Department of Obstetrics and Gynecology, BIDMC, Harvard University, Boston, MA, USA
4. Institute of Epigenetics and Stem Cells, Helmholtz Zentrum München, München, Germany
5. Medical and Molecular Genetics Institute, University Hospital La Paz, Madrid, Spain
6. CIBERER, Centro de Investigacion Biomedica en Red de Enfermedades Raras, ISCIII, Madrid, Spain
7. ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability
8. Epigenetics Programme, The Babraham Institute, Babraham, Cambridge, UK
9. Josep Carreras Leukeamia Research Institute, Can Ruti, Cami de les Escoles, Badalona, Barcelona, Spain
10. Department of Physiological Sciences II, School of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
11. Institucio Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain
12. Centro de Investigacion Biomedica en Red Cancer (CIBERONC), Madrid, Spain
13. Centre for Trophoblast Research, University of Cambridge, UK
14. Servicio de Endocrinología Pediátrica, Hospital Carlos de Haya, Málaga, Spain
15. (Epi)Genetics Laboratory, BioAraba Research Health Institute, Araba University Hospital, Vitoria-Gasteiz, Alava, Spain
16. Biomedical Research Centre, University of East Anglia, Norwich Research Park, Norwich, UK