1 1Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
2 2Department of Neurosurgery, Stanford Hospital, Stanford, California.
3 3Research Unit of New Technologies of Micro-Endoscopy Combination in Skull Base Surgery (2018RU008), Chinese Academy of Medical Sciences, Shanghai, China.
4 4The Neurosurgical Atlas, Carmel, Indiana; and.
5 5Department of Neurological Surgery, Indiana University, Indianapolis, Indiana.