1. Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Hannover, Bünteweg 9, 30559 Hannover, Germany
2. Monash University, Frankston, Australia
3. Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
4. Faculty of Veterinary Medicine, Institute for Anatomy, Histology & Embryology, Justus-Liebig-University, Giessen, Germany
5. Institute for Anatomy, Eberhard Karls University, Tübingen, Germany
6. Institute for Anatomy and Cell Biology, University of Heidelberg, Heidelberg, Germany
7. Department of Biometry, Epidemiology & Information Processing, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany