1. University of New Brunswick; Saint John NB Canada
2. IRTA-CReSA; Centre de Recerca en Sanitat Animal; Barcelona Spain
3. Hospital Italiano de Buenos Aires; Juan D. Perón 4190; Buenos Aires Argentina
4. OIE Reference Laboratory for Classical Swine Fever; IRTA-CReSA; Barcelona Spain
5. Dalhousie University; Dalhousie Medicine New Brunswick; Saint John NB Canada