1. Division of Clinical Veterinary Medicine; Suisse Institute for Equine Medicine (ISME); Vetsuisse Faculty; ALP Haras; University of Bern; Bern Switzerland
2. Department of Veterinary Population Medicine; College of Veterinary Medicine; University of Minnesota; St Paul MN
3. Department of Horticultural Sciences; College of Food, Agricultural and Environmental Sciences; University of Minnesota; St Paul MN
4. Institute of Metabolic Disease; Baylor Research Institute; Dallas TX