Aimée Zuniga*, Frédéric Laurent, Javier Lopez-Rios, Christian Klasen, Nicolas Matt and Rolf Zeller*
* Corresponding authors: Aimée Zuniga aimee.zuniga@unibas.ch - Rolf Zeller rolf.zeller@unibas.ch
BMC Developmental Biology 2012, 12:23 doi:10.1186/1471-213X-12-23