Prof. David E. Spreng Dr.med.vet. ECVS, ACVECC EBVS® European Specialist in Small Animal Surgery Member of European College of Veterinary Surgeons david.spreng@vetsuisse.unibe.ch +41 31 631 2299 Vetsuisse Faculty University of Berne L„nggass Strasse 128 Bern 3012 Switzerland