1 Genetics and Rare Diseases Research Division, Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy.
2 Laboratory of Immuno-Rheumatology, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy.
3 Neuroradiology Unit, Department of Imaging, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy.
4 Division of Rheumatology, Bambino Gesù Children's Hospital, Scientific Institute for Research and Health Care, Rome, Italy.