1. Department of Microbial Natural Products, Helmholtz Institute for Pharmaceutical Research Saarland, Institut für Pharmazeutische Biotechnologie, Universität des Saarlandes, Postfach 151150, 66041 Saarbrücken, Germany, Dipartimento di Scienze Farmaceutiche e Biomediche, Universitá di Salerno, via Ponte don Melillo, 84084 Fisciano (SA), Italy, Department of Experimental and Health Sciences, ICREA Infection Biology Laboratory, Universitat Pompeu Fabra, Doctor Aiguader, 88, Edificio PRBB, 08003 Barcelona,...