1. Subdepartment of Evolution and Development; Department of Organismal Biology, Uppsala University; SE-752 36 Uppsala Sweden
2. European Synchrotron Radiation Facility; CS-40220, F-38043 Grenoble Cedex 09 France
3. Subdepartment of Evolution and Development; Department of Organismal Biology; Science For Life Laboratory, Uppsala University; SE-752 36 Uppsala Sweden