1. European Laboratory for Non Linear Spectroscopy (LENS) via N. Carrara 1 Sesto Fiorentino 50019 Italy
2. Department of Physics and Astronomy University of Florence via G. Sansone 1 Sesto Fiorentino 50019 Italy
3. Istituto Nazionale di Ricerca Metrologica (INRiM) strada delle cacce 91 Torino 10135 Italy
4. Department of Chemical Materials and Industrial Production Engineering University of Naples Piazzale V. Tecchio, 80 Napoli 80125 Italy
5. Department of Experimental and Clinical Medicine University of Florence Largo Brambilla 3 Firenze 50134 Italy
6. Institute of Clinical Physiology National Research Council (IFC‐CNR) Vl.e Pieraccini 6 Florence 50139 Italy
7. Institute for Experimental Cardiovascular Medicine University Heart Center and Medical Faculty University of Freiburg 79110 Freiburg Germany
8. Specific Polymers 150 Av. des Cocardières Castries 34160 France
9. Department of Chemistry “Ugo Schiff” University of Florence via della Lastruccia 3–13 Sesto Fiorentino 50019 Italy