1. Clinic for Small Animal Internal Medicine; University of Zurich; Winterthurerstrasse 204 CH-8057 Zürich Switzerland
2. Tieraerztliche Spezialisten; Rodigallee 85 D-22043 Hamburg Germany
3. Clinique Vétérinaire; 425 Brugmann Avenue, B-1180 Bruxelles Belgium
4. Cabinet Vétérinaire; 104 Reine Astrid Avenue, B-4900 Spa Belgium
5. Genclis SA; 15 rue du Bois de la Champelle 54500 Vandœuvre-lès-Nancy France