1 1Unit of Neurosurgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, University of Salerno, Italy.
2 2Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
3 3Institut Clínic de Neurociències (ICN), Department of Neurological Surgery, Hospital Clínic de Barcelona, Universidad de Barcelona, Spain.
4 4Department of Neurosurgery, Brain Tumor Center, Gangnam Severance Hospital, Yonsei University, College of Medicine, Gangnam-gu, Seoul, Republic of Korea.
5 Departments of5Otolaryngology-Head & Neck Surgery and.
6 6Neurological Surgery, University of Washington School of Medicine, Seattle, Washington; and.
7 7Department of Neurosurgery, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York.