1. Croatian Veterinary Institute, Zagreb, Croatia
2. Universitat Autonoma de Barcelona, Barcelona, Spain
3. Norwegian Veterinary Institute, Oslo, Norway
4. Technical University of Denmark
5. University of Udine, Udine, Italy
6. Biology Center of Czech Academy of Sciences, Laboratory of Functional Helminthology
7. Istituto Zooprofilattico Sperimentale delle Venezie, Padua, Italy
8. Fish Pathology Group, Instituto de Acuicultura Torre de la Sal