*From the Department of Radiology, College of Medicine, Chung Buk National University, Seoul, Korea.
†From the Medical Research Information Center, Chung Buk National University, Seoul, Korea.
‡From the Department of Radiology, Seoul National University College of Medicine, Seoul, Korea.
§From the Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.
¶From the Clinical Research Institute, Seoul National University Hospital, Seoul, Korea.
∥From the Department of Diagnostic Radiology, Wallace Memorial Baptist Hospital, Seoul, Korea.
Supported by a grant of the Korea Health 21 R&D Project, Ministry of Health & Welfare, Republic of Korea (HMP-99-N-01-0002).
Reprint requests to: Moon Hee Han, MD, Department of Diagnostic Radiology, Seoul National University Hospital, 28 Yongon-Dong, Chongno-Ku, Seoul 110-744, Korea; E-mail: [email protected]
Received June 22, 2002, and accepted for publication, after revision, September 26, 2002.