Robert Feil - Laboratory of Developmental Genetics and Imprinting, AFRC Babraham Institute, Cambridge CB2 4AT, UK, Edinburgh EH9 3JR, UK
Jillian Charlton - Institute of Cell and Molecular Biology, Darwin Building, University of Edinburgh Edinburgh EH9 3JR, UK
Adrian P. Bird - Institute of Cell and Molecular Biology, Darwin Building, University of Edinburgh Edinburgh EH9 3JR, UK
Jörn Walter - Laboratory of Developmental Genetics and Imprinting, AFRC Babraham Institute, Cambridge CB2 4AT, UK, Edinburgh EH9 3JR, UK
Wolf Reik - Babraham Institute