Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2020 Antwerp, Belgium.|Light Microscopy Facility & Laboratory of Neurophysiology, Faculty of Medicine, Free University of Brussels, 1070 Anderlecht, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2020 Antwerp, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2020 Antwerp, Belgium.|Department of Neuroscience, Janssen Research and Development, 2340 Beerse, Belgium.|Department of Neuroscience, Janssen Research and Development, 2340 Beerse, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2020 Antwerp, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2020 Antwerp, Belgium.