1 Neuro-Ophthalmology Division (WB, HS), Service of Ophthalmology, Department of Clinical Neuroscience, Geneva University Hospitals, Geneva, Switzerland; Neuroradiology Division (MIV), Diagnostic Department, Geneva University Hospitals, Geneva, Switzerland; Pneumology Division (GK, J-PJ), Geneva University Hospitals, Geneva, Switzerland; Department of Neurosurgery (MVC), Geneva University Hospitals, Geneva, Switzerland; Neurosurgery Division (MVC), Department of Neuroscience, Rennes University Hospitals, Rennes, France; Laboratoire de traitement de signal (MVC), Groupe Medicis, INSERM UMR 1099, University of Rennes I, Rennes, France; Neurology Division (CB), Department of Clinical Neuroscience, Geneva University Hospitals, Geneva, Switzerland; and Department of Neurosurgery (TRM), The National Hospital of Denmark, Copenhagen, Denmark.