1. Institut Clínic de Neurociències (ICN), Department of Neurological Surgery, Hospital Clínic de Barcelona, Universidad de Barcelona, Barcelona, Spain;
2. Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;
3. Department of Neuroscience, “G. Rummo” Hospital, Benevento, Italy;
4. Department of Otolaryngology-Head and Neck Surgery, Department of Neurosurgery, University of Washington, Seattle, Washington;
5. Department of Ophthalmology, Hospital Clínic de Barcelona, Universidad de Barcelona, Barcelona, Spain; and
6. Department of Neurosurgery, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York