About the Authors
- Steven A Harvey
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Affiliation Wellcome Trust/CR-UK Gurdon Institute and Department of Zoology, The University of Cambridge, Cambridge, United Kingdom
- James C Smith
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*To whom correspondence should be addressed. E-mail: jim.smith@nimr.mrc.ac.uk
Affiliations Wellcome Trust/CR-UK Gurdon Institute and Department of Zoology, The University of Cambridge, Cambridge, United Kingdom , MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
SAH and JCS conceived and designed the experiments. SAH performed the experiments. SAH and JCS wrote the paper.