1. Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Campus
C23, 66123 Saarbrücken, Germany
2. Institute for Molecular Bacteriology, TWINCORE, Feodor-Lynen-Str. 7, 30625 Hannover, Germany
3. Department of Molecular Bacteriology, Helmholtz Centre for Infection Research, Inhoffenstr.
7, 38124 Braunschweig, Germany
4. Pharmaceutical and Medicinal
Chemistry, Saarland University, Campus
C23, 66123 Saarbrücken, Germany