1. Department of Neuroscience, Clinical Imaging Sciences Centre, Brighton and Sussex Medical School, University of Sussex, Brighton BN1 9RR, UK
2. Neuroimaging Laboratory, Santa Lucia Foundation, 00179 Rome, Italy
3. Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK
4. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Dino Ferrari Center, 20122 Milan, Italy
5. Department of Nuclear Medicine, University of Leipzig, 04102 Leipzig, Germany
6. Integrated Research and Treatment Center (IFB) Adiposity Diseases, Leipzig University Medical Center, 04103 Leipzig, Germany
7. Department of Neuroscience “Rita Levi Montalcini”, University of Torino, 10126 Torino, Italy