1. Institute of Reproductive and Developmental Biology (S.A.S., K.H., P.D.S.-B., L.J.W., S.F.), Wolfson and Weston Research Centre for Family Health, Imperial College London, Hammersmith Hospital, London W12 0NN, United Kingdom
2. Department of Mathematics (J.S.), Imperial College London, London SW7 2AZ, United Kingdom
3. Histopathology Department (A.M.F.), Division of Investigative Sciences, Imperial College London, St. Mary’s Hospital, London W2 1PG, United Kingdom
4. Department of Internal Medicine (A.P.N.T., J.A.V.), Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
5. School of Biological and Molecular Sciences (N.P.G.), Oxford Brookes University, Headington Campus, Oxford OX3 0BP, United Kingdom