1. Institute for Veterinary Anatomy, -Histology and -Embryology; Justus-Liebig-University; Giessen Germany
2. Institute of Anatomy; University of Veterinary Medicine Hannover; Hannover Germany
3. Clinic for Horses; Justus-Liebig-University; Giessen Germany
4. Translational Centre for Regenerative Medicine (TRM); University of Leipzig; Leipzig Germany
5. Faculty of Veterinary Medicine; Large Animal Clinic for Surgery; University of Leipzig; Leipzig Germany