1. Klinik für kleine Haustiere, Universität Bern (Lombard), Länggassstrasse 128, 3012, Bern, Switzerland; the
2. Clinica Gran Sasso(Bussadori), Via Donatello 26, 20131 Milano, Italy
3. Boehringer Ingelheim Vetmedica GmbH (Jöns), Preclinical and Clinical Development, 55216 Ingelheim/Rhein, Germany
4. From the