[1] Hospital Universitari de Vic,Department of Internal Medicine
[2] Universitat Autònoma de Barcelona,Department of Medicine
[3] Hospital Universitari de Vic,Microbiology Department
[4] Hospital Universitari de Vic,Epidemiology Department
[5] Epidemiology Department Hospital Vall d’Hebron,Infectious Diseases Unit
[6] Health Sciences Research Institute of the Germans Trias i Pujol Foundation,Veterinary
[7] CIBER de Enfermedades Respiratorias,Area de Bioquímica y Biología Molecular
[8] Associació Tecnicosanitària del Porcí (ASSAPORC),Infectious Diseases Department
[9] Universidad de La Rioja,undefined
[10] Hospital Germans Trias i Pujol,undefined