About the Authors
Lymphocyte Development Group, MRC Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital, London, United Kingdom
Stem Cell Initiative, Institute of Reproductive and Developmental Biology, Faculty of Medicine, Imperial College London, Hammersmith Hospital, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CFP RT MM AGF. Performed the experiments: CFP NKR JDARS KJM. Analyzed the data: CFP AGF. Contributed reagents/materials/analysis tools: WC. Wrote the paper: CFP MM AGF.