1. L Windhofer, Institute of in vivo and in vitro Models, Vetmeduni Vienna, Wien, Austria
2. A Boersma, Institute of in vivo and in vitro Models, Vetmeduni Vienna, Wien, Austria
3. M Dahlhoff, Institute of in vivo and in vitro Models, Vetmeduni Vienna, Vienna, Austria
4. T Rülicke, Institute of in vivo and in vitro Models, Vetmeduni Vienna, Wien, Austria
5. K Auer, Institute of in vivo and in vitro Models, University of Veterinary Medicine Vienna, Vienna, Austria