1. Unit of Neurosurgery, University Hospital San Giovanni di Dio e Ruggi d’Aragona, University of Salerno, Italy;
2. Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;
3. Institut Clínic de Neurociències (ICN), Department of Neurological Surgery, Hospital Clínic de Barcelona, Universidad de Barcelona, Spain;
4. Department of Neurosurgery, Brain Tumor Center, Gangnam Severance Hospital, Yonsei University, College of Medicine, Gangnam-gu, Seoul, Republic of Korea;
5. Departments of Otolaryngology–Head & Neck Surgery and
6. Neurological Surgery, University of Washington School of Medicine, Seattle, Washington; and
7. Department of Neurosurgery, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York