1. CHIBIOFARAM Department University of Messina Viale Stagno D'Alcontres 98166 Messina Italy
2. Institute of Organic Chemistry and Biochemistry (IOCB) Czech Academy of Sciences Flemingovo nám. 2 16000 Prague Czech Republic
3. NEUROFARBA Department University of Florence Via U. Schiff 6 50019 Florence Italy
4. Institute of Biosciences and Bioresources CNR Via Castellino 111 80131 Napoli Italy