1. Center for Liver Cancer; National Cancer Center; Goyang; South Korea
2. Department of Surgery; University of California, San Francisco; San Francisco; CA; USA
3. Department of Radiology; University of California, San Francisco; San Francisco; CA; USA
4. Department of Medicine; University of California, San Francisco; San Francisco; CA; USA
5. Department of Surgery; Massachusetts General Hospital/Harvard Medical School; Boston; MA; USA