1. Department of Neurosurgery; Xijing Hospital; The Fourth Military Medical University; Xi'an China
2. Department of Biomedical Engineering; The Fourth Military Medical University; Xi'an China
3. Department of Neurosurgery; General Hospital of Shenyang Military Area Command; Shenyang China
4. Department of Neurosurgery; The 463rd Hospital of PLA; Shenyang China
5. Department of Thoracic Surgery; Tangdu Hospital; The Fourth Military Medical University; Xi'an China
6. Department of Cellular and Structural Biology; UT Health Science Center; San Antonio TX USA