作者单位:CHA Univ, CHA Bundang Med Ctr, Dept Neurosurg, Pochon, South Korea[1]Medyssey Co Ltd, R&D Ctr, Jechon, South Korea[2]Columbia Univ, Coll Physicians & Surg, Dept Orthoped, New York, NY USA[3]Inje Univ, Coll Biomed Sci & Engn, Dept Biomed Engn, Gyeongnam, South Korea[4]Seoul Natl Univ, Coll Med, Dept Neurosurg, 101 Daehak No, Seoul 110744, South Korea[5]