1. Instituto de Química Orgánica GeneralConsejo Superior de Investigaciones Científicas (IQOG-CSIC) Juan de la Cierva 3 28006 Madrid Spain
2. Department of Technology and Biotechnology of DrugsFaculty of PharmacyJagiellonian University Medical College 9 Medyczna Street 30-688 Kraków Poland
3. Department of Medical Microbiology and ImmunobiologyFaculty of MedicineUniversity of Szeged Dóm tér 10 6720 Szeged Hungary.
4. Institute of Pharmaceutical and Medicinal ChemistryHeinrich Heine University Düsseldorf Universitätsstraße 1 40225 Düsseldorf