[1] Univ Leipzig, Inst Immunol, Coll Vet Med, Mol Pathogenesis, D-04109 Leipzig, Germany
[2] Inst Immunol, Mol Pathogenesis, Leipzig, Germany
[3] Klinikum Fulda gAG, Inst Pathol, Fulda, Germany
[4] Cape Town Component, Int Ctr Genet Engn & Biotechnol, Cape Town, South Africa
[5] UCT Fac Hlth Sci, Div Immunol, Cape Town, South Africa