1. Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
2. Department of Pharmaceutical Chemistry Faculty of Pharmacy, Ankara University, 06100 Tandogan, Ankara, Turkey
3. Department of Chemistry and Biochemistry Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
4. Department of Biochemistry, Faculty of General Medicine University of Szeged, Dóm tér 9, H-6720 Szeged, Hungary