1. Department of Pharmacology & Croatian Institute for Brain Research, University of Zagreb School of Medicine, 10000 Zagreb, Croatia
2. Interfaculty Institute of Microbiology and Infection Medicine Tübingen, University of Tübingen, 72074 Tübingen, Germany
3. Department of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
4. Faculty of Medicine, University of Catania, 95131 Catania, Italy