[1] Univ Munich, Dept Trop Med & Infect Dis, D-80802 Munich, Germany
[2] Univ Munich, Inst Comparat Trop Med & Parasitol, D-80802 Munich, Germany
[3] Univ Munich, Inst Vet Pathol, D-80802 Munich, Germany
[4] Univ Munich, Clin Internal Med 2, D-80802 Munich, Germany
[5] Univ Giessen, Med & Forens Vet Clin 1, Giessen, Germany