1 Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari "Aldo Moro", 70125 Bari, Italy.
2 Department of Experimental Neurodegeneration, University Medical Center Goettingen, Waldweg 33, 37073 Göttingen, Germany.
3 Max Planck Institute for Natural Sciences, 37075 Göttingen, Germany.
4 Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Framlington Place, Newcastle Upon Tyne NE2 4HH, UK.
5 Scientific Employee with an Honorary Contract at Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), 37075 Göttingen, Germany.