1. Infection Pathology Unit, Department of Pathobiology, Vetsuisse Faculty and Center for Applied Biotechnology and Molecular Medicine (CABMM), Institute of Veterinary Pathology, University of Zurich, Zurich, Switzerland
2. Clinic for Visceral Surgery, Cantonal Hospital Aarau, Aarau, Switzerland
3. Department of Radiation Oncology, Medical Center, University of Freiburg, Freiburg i.B, Germany
4. Molecular Immunology Unit, Department of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, Basel, Switzerland