1. Department of Microbiology, Faculty of Biological Sciences, Shahid Beheshti University, Tehran, Iran
2. Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI), Inhoffenstraße 7, D-38124 Braunschweig, Germany
3. Department of Applied Microbiology, Justus Liebig University Gießen, Heinrich-Buff-Ring 26, D-35392 Gießen, Germany
4. Department of Pharmaceutical Biotechnology, Saarland University, Campus Building E8 1, 66123 Saarbrücken, Germany
5. Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) – Helmholtz Centre for Infection Research (HZI), Saarland University, Campus Building E 8 1, 66123 Saarbrücken, Germany