1. Magnetic Resonance Center (CERM) University of Florence Sesto Fiorentino Italy
2. Department of Chemistry University of Florence Sesto Fiorentino Italy
3. Department of Chemical Sciences and Technology University of Rome Tor Vergata Rome Italy
4. Sorbonne Paris Cité, CSPBAT Laboratory University of Paris 13, UMR 7244, CNRS Bobigny France
5. Biophysics & Nanoscience Centre, DEB Università della Tuscia Viterbo Italy