J Korean Neurosurg Soc. 2016;59(6):570-576.   Published online October 24, 2016
DOI: https://doi.org/10.3340/jkns.2016.59.6.570 Correction in: J Korean Neurosurg Soc 2018;61(2):287

J Korean Neurosurg Soc. 2016;59(2):91-97.   Published online February 29, 2016
DOI: https://doi.org/10.3340/jkns.2016.59.2.91

J Korean Neurosurg Soc. 2012;52(5):435-440.   Published online November 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.5.435

J Korean Neurosurg Soc. 2012;52(3):193-199.   Published online September 30, 2012
DOI: https://doi.org/10.3340/jkns.2012.52.3.193