Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium.|Department of Neuroscience, Janssen Research and Development, Janssen Pharmaceutical Companies of Johnson & Johnson, 2340 Beerse, Belgium.|Department of Neuroscience, Janssen Research and Development, Janssen Pharmaceutical Companies of Johnson & Johnson, 2340 Beerse, Belgium.|Department of Neuroscience, Janssen Research and Development, Janssen Pharmaceutical Companies of Johnson & Johnson, 2340 Beerse, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium.|Laboratory of Cell Biology & Histology, Department of Veterinary Sciences, University of Antwerp, 2610 Wilrijk, Belgium.