1. Division of Veterinary Infection Biology and Immunology; Research Center Borstel; Borstel Germany
2. Duhok Research Center (DRC); Duhok Iraq
3. Kassala Veterinary Research Laboratory (KVRL); Kassala Sudan
4. Faculty of Veterinary Medicine; Department of Parasitology; Adnan Menderes University; Aydin Turkey
5. Istituto Zooprofilattico Sperimentale della Sicilia; Palermo Italy
6. Instituto de Biológica Experimental e Tecnologia (IBET); Oeiras Portugal