About the Authors

Marta Sanchez-Delgado

Affiliation Imprinting and Cancer Group, Cancer Epigenetic and Biology Program, Institut d’Investigació Biomedica de Bellvitge, Hospital Duran i Reynals, Barcelona, Spain

Alejandro Martin-Trujillo

Affiliation Imprinting and Cancer Group, Cancer Epigenetic and Biology Program, Institut d’Investigació Biomedica de Bellvitge, Hospital Duran i Reynals, Barcelona, Spain

Chiharu Tayama

Affiliation Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan

Enrique Vidal

Affiliation Cancer Epigenetics Group, Cancer Epigenetic and Biology Program, Institut d’Investigació Biomedica de Bellvitge, Hospital Duran i Reynals, Barcelona, Spain

Manel Esteller

Affiliations Cancer Epigenetics Group, Cancer Epigenetic and Biology Program, Institut d’Investigació Biomedica de Bellvitge, Hospital Duran i Reynals, Barcelona, Spain, Department of Physiological Sciences II, School of Medicine, University of Barcelona, Barcelona, Spain, Institucio Catalana de Recerca i Estudis Avançats, Barcelona, Spain

Isabel Iglesias-Platas

Affiliation Servicio de Neonatología, Hospital Sant Joan de Déu, Fundació Sant Joan de Déu, Barcelona, Spain

Nandita Deo

Affiliation Whipps Cross University Hospital, Barts Health NHS Trust, Leytonstone, London, United Kingdom

Olivia Barney

Affiliation Leicester Royal Infirmary, Leicester, United Kingdom

Ken Maclean

Affiliation Primary Care Genetics, Sydney, Australia

Kenichiro Hata

Affiliation Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan

Kazuhiko Nakabayashi

Affiliation Department of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan

Rosemary Fisher

Affiliations Imperial Centre for Translational and Experimental Medicine, Imperial College London, London, United Kingdom, Trophoblastic Tumour Screening and Treatment Centre, Department of Oncology, Imperial College London, London, United Kingdom

David Monk

dmonk@idibell.cat

Affiliation Imprinting and Cancer Group, Cancer Epigenetic and Biology Program, Institut d’Investigació Biomedica de Bellvitge, Hospital Duran i Reynals, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RF DM. Performed the experiments: MSD AMT CT KN DM. Analyzed the data: AMT EV KN RF DM. Contributed reagents/materials/analysis tools: ME IIP ND OB KM KH. Wrote the paper: MSD AMT KN RF DM.