Institution: | 2. Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States;1. Department of Neurosurgery, The Second Clinical Medical School of Inner Mongolia University for the Nationalities, Hulun Buir, China;2. College of Basic Medical Sciences of Jilin University, Changchun, China;3. Clinical Medicine of Jilin University, Changchun, China;4. Inner Mongolia University for the Nationalities, Tongliao, China |