1 From the Departments of Neurology (A.G., R.S., N.C., J.V.) and Neuroradiology (J.O.), Hospital Beatriz Ângelo, Loures, Portugal. anaisabelgoncalvesf@gmail.com.
2 From the Departments of Neurology (A.G., R.S., N.C., J.V.) and Neuroradiology (J.O.), Hospital Beatriz Ângelo, Loures, Portugal.