Institute of Animal Nutrition
Vetsuisse Faculty Zurich, University of Zurich, Zurich, Switzerland Faculty of Veterinary Science, University of Sydney, NSW, Australia Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Zurich Section of Epidemiology, Vetsuisse Faculty Zurich, University of Zurich, Zurich, Switzerland Department of Rheumatology and Institute of Physical Medicine, University Hospital Zurich, Zurich, Switzerland Institute of Genetics, Vetsuisse Faculty Berne, Berne, Switzerland.