1. Department
of Biology, Unit of Cell and Developmental Biology, University of Pisa, 56127 Pisa, Italy
2. Dipartimento
di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, University of Pisa, 56126 Pisa, Italy
3. Istituto Nazionale di Ottica, National Research Council (CNR), 56124 Pisa, Italy
4. ETH Zurich, Laboratory of Thermodynamics in
Emerging Technologies, 8092 Zurich, Switzerland
5. Center
for Neuroscience and Cognitive Systems, Istituto Italiano di Tecnologia, 38068 Rovereto (TN), Italy
6. Neuroscience Institute, National Research Council (CNR), 56124 Pisa, Italy