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