1. Institute
for Organic Chemistry, Leibniz Universität Hannover, Schneiderberg
1B, D-30167 Hannover, Germany
2. Helmholtz
Institute for Pharmaceutical Research Saarland, Helmholtz Centre for
Infection Research and Department of Pharmaceutical Biotechnology, Saarland University, Building E8.1, D-66123 Saarbrücken, Germany
3. Helmholtz Centre for Infection Research (HZI), Inhoffenstr. 7, D-38124 Braunschweig, Germany
4. Institute
for Inorganic Chemistry, Saarland University, Building B2.2, D-66123 Saarbrücken, Germany
5. Institute
for Biostatistics, Leibniz Universität Hannover, Herrenhäuser
Straße 2, D-30419 Hannover, Germany