1. Department of Clinical and Experimental Medicine – Pisa University, Italy
2. Division of Brain Sciences, Neurology Imaging Unit, Imperial College London, UK
3. Department of Neurology, Seoul National University Boramae Hospital, Seoul, South Korea
4. Department of Neurology, UKSH, Christian-Albrechts-University Kiel, Germany
5. Institute of Neuroscience, Newcastle University, UK
6. Department of Nuclear Medicine and PET Centre, Aarhus University, Denmark