1. Department of Veterinary Sciences; Chair of Animal Nutrition and Dietetics; Ludwig-Maximilians-University; Munich Germany
2. Department of Veterinary Sciences; Chair of Anatomy, Histology, and Embryology; Ludwig-Maximilians-University; Munich Germany
3. Pferdeklinik Bargteheide; Bargteheide Germany
4. Collagen Research Institute; Kiel Germany
5. Gelita AG; Eberbach Germany
6. Department of Veterinary Sciences; Chair of Animal Welfare; Ethology; Animal Hygiene and Animal Housing; Ludwig-Maximilians-University; Munich Germany