1. Institute of Genetics; Vetsuisse Faculty; University of Bern; Bremgartenstrasse 109a 3001 Bern Switzerland
2. DermFocus; University of Bern; 3001 Bern Switzerland
3. VetGen; Ann Arbor MI 48108 USA
4. Laboklin; 97688 Bad Kissingen Germany
5. Department of Veterinary Biosciences; University of Helsinki; 00014 Helsinki Finland
6. Research Programs Unit; Molecular Neurology; University of Helsinki; 00014 Helsinki Finland
7. Folkhälsan Institute of Genetics; University of Helsinki; 00290 Helsinki Finland
8. Department of Animal and Poultry Science; University of Saskatchewan; Saskatoon SK S7N 5A8 Canada