1. Department of Medicine IDivision of Infectious Diseases and Tropical Medicine, Medical University of Vienna Vienna Austria
2. Center for Anatomy and Cell Biology, Division of Cell and Developmental BiologyMedical University of Vienna Vienna Austria
3. Department of Laboratory Medicine, Division of Clinical MicrobiologyMedical University of Vienna Vienna Austria
4. Department of Cranio-Maxillofacial and Oral SurgeryMedical University of Vienna Vienna Austria
5. Department of Tropical Medicine; Bernhard Nocht Institute for Tropical Medicine & I. Dep. Of MedicineUniversity Medical Center Hamburg-Eppendorf Hamburg Germany
6. Military Medical Cluster EastAustrian Armed Forces Vienna Austria