1. Department of Drug Design and Optimization Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) Helmholtz Centre for Infection Research (HZI) Campus Building E8.1 66123 Saarbrücken Germany
2. Department of Pharmacy Saarland University Campus Building E8.1 66123 Saarbrücken Germany
3. Stratingh Institute for Chemistry University of Groningen Nijenborgh 7 9747 AG Groningen The Netherlands
4. Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB) University of Groningen Nijenborgh 7 9747 AG Groningen (The Netherlands
5. CarbExplore Research BV Zernikepark 1 9747 AN Groningen (The Netherlands