1. Electron Microscopy Center, Radboud Technology Center Microscopy, Department of Medical Biosciences, Radboud University Medical Center , Nijmegen
2. NanoImaging Core Facility, Centre de Ressources et Recherches Technologiques, Institut Pasteur , Paris , France
3. Department of Animal Ecology and Physiology, Radboud Institute for Biological and Environmental Sciences, Faculty of Science, Radboud University , Nijmegen , The Netherlands
4. Department of Stratigraphy and Paleontology, University of Granada , Granada , Spain