About the Authors

Marco J Koudijs

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Marjo J. den Broeder

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Astrid Keijser

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Erno Wienholds

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Saskia Houwing

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Ellen M. H. C. van Rooijen

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Robert Geisler

Affiliation Max-Planck-Institut für Entwicklungsbiologie, Tübingen, Germany

Fredericus J. M. van Eeden

To whom correspondence should be addressed. E-mail: freek@niob.knaw.nl

Affiliation Hubrecht Laboratory, The Netherlands Institute for Developmental Biology, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MJK and FJMV conceived and designed the experiments. MJK, MJDB, AK, SH, EW, EMHCV, and FJMV performed the experiments. MJK, MJDB, SH, and FJMV analyzed the data. AK, SH, and RG contributed reagents/materials/analysis tools. MJK wrote the paper.