1. Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB) University of Naples “Federico II” Via Mezzocannone 16 Naples 80134 Italy
2. Institute of Biostructures and Bioimaging (IBB), CNR Via Mezzocannone 16 80134 Naples Italy
3. Institute of Crystallography (IC), CNR Via Amendola 122 70126 Bari Italy