1. Faculty of Medicine and Life Sciences, Biomedical Research Institute (BIOMED), Hasselt University, Diepenbeek, Belgium.
2. Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
3. Department of Veterinary Medicine, Faculty of Sciences, Integrated Veterinary Research Unit-Namur Research Institute for Life Science (IVRU-NARILIS), University of Namur, Namur, Belgium.
4. Department of Genetics and Cell Biology, School for Cardiovascular Diseases CARIM and School for Oncology and Development GROW, Maastricht University, Maastricht, the Netherlands.