1. Palo Alto Medical Foundation Toxoplasma Serology Laboratory, National Reference Center for the Study and Diagnosis of Toxoplasmosis, California
2. Division of Infectious Diseases, Department of Medicine, California
3. Institut national de la santé et de la recherche médicale, U1065, Centre Méditerranéen de Médecine Moléculaire, Virulence Microbienne et Signalisation Inflammatoire–Université de la Côte d’Azur, Faculté de Médecine
4. Parasitologie-Mycologie, Centre Hospitalier Universitaire l’Archet, Nice
5. Université Lyon, Université Claude Bernard Lyon 1, Centre national de la recherche scientifique, Laboratoire de Biométrie et Biologie Evolutive, Villeurbanne
6. Stanford University Human Immune Monitoring Center, Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, California
7. Victor Babes University of Medicine and Pharmacy Timisoara, Romania
8. Ecole Supérieure de Commerce de Paris Europe, Paris
9. Department of Microbiology, University of Tennessee, Knoxville
10. United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Maryland
11. Institut national de la santé et de la recherche médicale, University of Limoges, Centre Hospitalier Universitaire Limoges, Unité Mixte de Recherche_S, Tropical Neuroepidemiology, Institute of Neuroepidemiology and Tropical Neurology, Limoges, France