1. Institute of Biology, University of Graz, Graz, Austria
2. Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK
3. Department of Biology, Université M’hamed Bougara, Boumerde, Algeria
4. Service Elevage, Chambre d’Agriculture d’Alsace, Strasbourg, France
5. Latvian Beekeepers Association, Jelgava, Latvia
6. Agroscope, Swiss Bee Research Center, Bern, Switzerland.
7. Department of Poultry Science and Small Farm Animals, Slovak University of Agriculture, Nitra, Slovakia
8. Department of Life Sciences, University of Limerick, Limerick, Ireland
9. Norwegian Beekeepers Association, Kløfta, Norway
10. Honeybee Valley, Ghent University, Ghent, Belgium
11. Croatian Agricultural Agency, Zagreb, Croatia
12. Welsh Beekeepers Association, Northop, UK
13. Department of Ecology and Biomonitoring, Yuriy Fedkovych Chernivtsi National University, Chernivtsi, Ukraine
14. The Agri-Food and Biosciences Institute, Belfast, UK
15. Agricultural Institute of Slovenia, Slovenia & Mississippi State University, Poplarville, USA
16. Faculty of Veterinary Medicine, Department of Pathology and Veterinary Diagnostics, Warsaw University of Life Sciences, Warsaw, Poland
17. The Volcani Center, Agricultural Research Organisation, Rishon LeZion, Israel
18. Finnish Beekeepers Association, Helsinki, Finland
19. Swedish Beekeepers Association, Skänninge, Sweden
20. Centro de Investigación Apícola y Agroambiental de Marchamalo (IRIAF), Marchamalo, Spain
21. Faculty of Veterinary Medicine and Animal Science, University of Zacatecas, Zacatecas, Mexico
22. Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro (Padova), Italy
23. Estonian Beekeepers Association, Tallinn, Estonia
24. Institute for Nature Management, National Academy of Sciences, Minsk, Belarus
25. Beekeeping Research and Information Centre, Louvain la Neuve, Belgium
26. Faculty of Veterinary Medicine, Department of Biology, University of Belgrade, Belgrade, Serbia
27. Faculty of Agricultural Sciences and Food, Ss. Cyril and Methodius University, Skopje, Macedonia
28. Danish Beekeepers Association, Sorø, Denmark
29. DLR Fachzentrum für Bienen und Imkerei, Mayen, Germany
30. Department of Physiology & Biochemistry, University of Malta, Msida, Malta
31. Department of Biochemistry, Palacký University Olomouc, Olomouc, Czech Republic