, Yunhee Choi2
, Sungjoon Lee3
, Sun-Ho Lee3
, Eun-Sang Kim3
, Sun Woo Jang4
, Jin Hoon Park4
, Yunseong Cho5
, Giwuk Jang5
, Yoon Ha5
, Yun-Sik Dho6
, Heon Yoo6
, Sung Uk Lee7
, Seung-Ho Seo8
, Ki-Jeong Kim8
, Seil Sohn9
, Chun Kee Chung10
1Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea
2Division of Medical Statistics, Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea
3Department of Neurosurgery, Samsung Medical Center, Seoul, Korea
4Department of Neurosurgery, Asan Medical Center, Seoul, Korea
5Department of Neurosurgery, Severance Hospital, Seoul, Korea JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/