1. Institute of Biochemistry, Biological Research Center, H-6726 Szeged, Hungary.
2. Scarab Genomics LLC, Madison, WI 53713, USA.
3. Department of Genetics, University of Wisconsin, Madison, WI 53706, USA.
4. Genome Center of Wisconsin, University of Wisconsin, Madison, WI 53706, USA.
5. Federal Research Centre for Virus Diseases of Animals, Institute of Molecular Biology, Friedrich-Loeffler Institutes, D-17493 Greifswald-Insel Riems, Germany.