1. Department of Pharmacy, Ludwig-Maximilians-University, 81377 Munich, Germany
2. Biomolecular Self-Organization Laboratory, ITQB-Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
3. Department of Biology II, Ludwig-Maximilians-University, 82152 Planegg-Martinsried, Germany
4. Department of Pharmacy, Saarland University, 66125 Saarbrücken, Germany
5. Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland and Helmholtz Centre for Infection Research, 66123 Saarbrücken, Germany
6. Department of Chemistry, Technical University Munich, 85748 Garching, Germany