3 Cell and Tissue Imaging Core Facility (PICT-IBiSA) and Nikon Imaging Centre@Institut Curie, UMR144, Institut Curie, Centre de Recherche, Paris, France.
4 Institut Curie-CNRS-Université Pierre & Marie Curie, Laboratoire Physico-Chimie Curie, UMR168, 26 Rue d'Ulm, 75248 Paris, France. Electronic address: min-hui.li@curie.fr.