1. Department of Radiology, Jinshan Hospital, Shanghai Medical College; Fudan University; Shanghai China
2. Department of Radiology, Obsterics & Gynecology Hospital, Shanghai Medical College; Fudan University; Shanghai China
3. Department of Radiology, Keck School of Medicine; University of Southern California; Los Angeles California USA
4. Department of Pathology, Jinshan Hospital, Shanghai Medical College; Fudan University; Shanghai China