Won-Jin Moon, Dong Gyu Na, Sam Soo Kim, Jae Wook Ryoo, and Eun Chul Chung
From the Department of Radiology, Kangbuk Samsung Hospital (W.-J.M., E.C.C.) and Department of Radiology, Samsung Medical Center (D.G.N., S.S.K., J.W.R.), Sungkyunkwan University School of Medicine, and Department of Radiology, Seoul National University Hospital (D.G.N.), Seoul, Korea.
- American Society of Neuroradiology