1. Department of Pharmacy, Pharmaceutical Biology, Ludwig-Maximilians-University of Munich, 81377 Munich, Germany
2. Biotechnology Center, Technische Universität Dresden, 01307 Dresden, Germany
3. Chair of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, 07743 Jena, Germany
4. Kekulé Institute of Organic Chemistry and Biochemistry, University of Bonn, 53121 Bonn, Germany
5. Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), Saarland University, 66123 Saarbrücken, Germany