1. Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection MedicineUniversity of TuebingenTuebingen Germany
2. Department of Cell BiologyHarvard Medical SchoolBoston MA USA
3. Institute for Medical Microbiology and Hospital Hygiene, University of DuesseldorfDuesseldorf Germany
4. Bayer Pharma AGWuppertal Germany
5. AiCuris GmbH & Co. KGWuppertal Germany