1. Laboratory of Virology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
2. PathoSense BV, Lier, Belgium
3. Clinic for Swine at the Centre for Clinical Veterinary Medicine, LMU Munich, Germany
4. Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Germany
5. CEVA Tiergesundheit, Germany