[1] European Ctr Nanomed, Dept Imaging, Milan, Italy
[2] Ist Sci San Raffaele, Expt Imaging Ctr, Milan, Italy
[3] CNRS, IGMM, RNA Biogenesis, Montpellier, France
[4] Univ Vita Salute San Raffaele, Chromatin Dinam Unit, Milan, Italy
[5] Univ Vita Salute San Raffaele, Expt Imaging Ctr, Milan, Italy