null (INRA )

Aarhus University (AU) [Århus, Denemarken]

DALL'OLIO RAFFAELE

Friedrich-Loeffler-Institut (FLI) [Greifswald, Duitsland]

Jagiellonian University [Kraków, Polen]

Martin Luther University Halle-Wittenberg (MLU) [Halle, Duitsland]

Nottingham Trent University (NTU) [Nottingham, Verenigd Koninkrijk]

Pensoft Publishers (Bulgaria)

Sciensano (Belgium) [Brussel, België]

Sciprom (Switzerland) [Lausanne, Zwitserland]

STICHTING BEEP

STICHTING WAGENINGEN RESEARCH

SUOMEN MEHILAISHOITAJAIN LIITTO SMLRY

University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca (USAMVCN) [Klausenburg, Roemenië]

University of Bern (UB) [Bern, Zwitserland]

University of Coimbra [Coimbra, Portugal]