1. Department of Biomedicine and Biotechnology BIOMETEC, Section of Biology and Genetics, University of Catania, Catania, Italy
2. National Institute for Biomembranes and Biosystems, Section of Catania, Catania, Italy
3. Department of Biology, University of Padova, Padova, Italy
4. CNR Institute of Neurosciences, Padova, Italy
5. Department of Biomedical Sciences, University of Padova, Padova, Italy
6. Department of Chemical Sciences, Mass Spectrometry Unit, University of Catania, Catania, Italy
7. Molecular Biophysics Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, India
8. Department of Physics, University of Cagliari, Cagliari, Italy
9. Department of Biomedical Sciences, Biochemistry Unit, University of Cagliari, Cagliari, Italy
10. Istituto Officina dei Materiali del Consiglio Nazionale delle Ricerche (IOM-CNR), UOS, Trieste, Italy
11. Department of Biological, Geological and Environmental Sciences, Section of Molecular Biology, University of Catania, Catania, Italy