[1] Friedrich-Loeffler-Institut,National Reference Laboratory for Toxoplasmosis, Institute of Epidemiology
[2] Federal Research Institute for Animal Health,Central European Institute of Technology (CEITEC)
[3] IDEXX Laboratories,Faculty of Veterinary Medicine
[4] University of Veterinary and Pharmaceutical Sciences,Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Agriculture Research Service
[5] University of Veterinary and Pharmaceutical Sciences,undefined
[6] United States Department of Agriculture,undefined