| Affiliation: | aClinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zürich, Winterthurerstr. 260, 8057 Zürich, Switzerland;bInstitute of Virology, Vetsuisse Faculty, University of Zürich, Winterthurerstr. 266a, 8057 Zürich, Switzerland;cInstitute of Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Winterthurerstr. 268, 8057 Zürich, Switzerland;dInstitute of Veterinary Physiology, Vetsuisse Faculty, University of Zürich, Winterthurerstr. 260, 8057 Zürich, Switzerland |
