Monitoring biosecurity in poultry production: an overview of databases reporting biosecurity compliance from seven European countries oleh Mattias Delpont, Luis G. Salazar, Jeroen Dewulf, Artur Zbikowski, Piotr Szeleszczuk, Anne-Christine Dufay-Lefort, Nathalie Rousset, Annick Spaans, Arthi Amalraj, Giuditta Tilli, Alessandra Piccirillo, Aitor Devesa, Sandra Sevilla-Navarro, Hilde van Meirhaege, László Kovács, Ákos Bernard Jóźwiak, Jean-Luc Guérin, Mathilde C. Paul