1. 1Research Group Veterinary Public Health and Zoonosis, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
2. 2Department of Human Anatomy, Embryology, Histology and Medical Physics, Faculty of Medicine and Health Sciences, Ghent University, Godshuizenlaan 4, 9000 Ghent, Belgium