1. Institute for Electromagnetic Sensing of the Environment, National Research Council (IREA-CNR), Milan, Italy
2. Institute of Geosciences and Earth Resources, National Research Council (IGG-CNR), Pisa, Italy
3. Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
4. Institute of Molecular Bioimaging and Physiology, National Research Council (IBFM-CNR), Milan, Italy
5. Department of Biology, University of Florence, Firenze, Italy
6. Department of Civil and Environmental Engineering, Politecnico di Milano, Milan, Italy