1. Division of Pharmacology and Toxicology; Department of Biomedical Sciences and Veterinary Public Health; Swedish University of Agricultural Sciences; Uppsala Sweden
2. Department of Chemistry, Environment and Feed Hygiene; National Veterinary Institute; Uppsala Sweden
3. Division of Analytical Pharmaceutical Chemistry; Department of Medicinal Chemistry; Uppsala University; Uppsala Sweden
4. Swedish-Norwegian Foundation for Equine Research; Stockholm Sweden
5. Swedish Trotting Association; Stockholm Sweden