1. Medical Research Council (MRC) Centre for Reproductive HealthUniversity of EdinburghThe Queen's Medical Research Institute Edinburgh United Kingdom
2. Department of Growth and ReproductionUniversity of Copenhagen Copenhagen Denmark
3. International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child HealthRigshospitaletUniversity of Copenhagen Copenhagen Denmark
4. The British Heart Foundation Centre for Cardiovascular ScienceUniversity of EdinburghThe Queen's Medical Research Institute Edinburgh United Kingdom
5. MRC Mammalian Genetics UnitMRC Harwell Harwell United Kingdom
6. School of Environmental and Life SciencesUniversity of Newcastle Callaghan New South Wales Australia