1. Institute for Bioengineering of Catalonia, 08028 Barcelona, Spain
2. Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
3. Advanced Optical Microscopy Facility, Scientific and Technological Centers. School of Medicine, University of Barcelona, 08036 Barcelona, Spain
4. Centre for BioImage Analysis, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
5. Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, Achucarro, 48940 Leioa, Spain
6. Department of Neuroscience and Experimental Therapeutics, Institute for Biomedical Research of Barcelona, Spanish Research Council, 08036 Barcelona, Spain
7. Institut d'Investigacions Biomèdiques Augustí Pi i Sunyer, 08036 Barcelona, Spain