European Food Safety Authority, European Centre for Disease Prevention and Control, European Union Reference Laboratory for Avian influenza, Ian Brown, Thijs Kuiken, Paolo Mulatti, Krzysztof Smietanka, Christoph Staubach, David Stroud, Ole Roland Therkildsen, Preben Willeberg, Francesca Baldinelli, Frank Verdonck, Cornelia Adlhoch