1. Department of Psychiatry, Catholic University of Sacred Heart, Rome, Italy
2. Department of Radiology, Catholic University of Sacred Heart, Rome, Italy
3. Department of Neuroscience, Bambino Gesù Children's Hospital, Rome, Italy
4. Department of Nuclear Medicine and PET/CT Center, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
5. Department of Psychiatry, University of Oxford, Oxford, United Kingdom