1. Mikael Leijon, PhD, is Associate Professor and head of the group for molecular characterization and bioinformatics, Division of Virology, Immunobiology and Parasitology (VIP), and Sándor Belák, DVM, PhD, DSc, is a Professor, both at the National Veterinary Institute, Uppsala, Sweden. Dr. Belák is also Director of the Collaborative Center of the World Organization for Animal Health (OIE) for the Biotechnology-based Diagnosis of Infectious Diseases in Veterinary Medicine.