1. LENS—European Laboratory for Non-linear Spectroscopy, Via Nello Carrara 1, 50019 Sesto Fiorentino, Italy
2. Department of Physics and Astronomy, University of Florence, Via Sansone 1, 50019 Sesto Fiorentino, Italy
3. National Institute of Optics—National Research Council, Largo Fermi 6, 50125 Florence, Italy
4. Department of Biology, Via Madonna del Piano 6, 50019 Sesto Fiorentino, Italy
5. International Center of Computational Neurophotonics, Via Nello Carrara 1, 50019 Sesto Fiorentino (FI), Italy