1. Department of Anatomy, College of Medicine, Inha University, Incheon, Korea.
2. Department of Plastic Surgery, College of Medicine, Inha University, Incheon, Korea.
3. Department of Radiology, Soonchunhyang University Hospital, Bucheon, Korea.
4. Department of Radiology, University of California, San Diego, La Jolla, CA, USA.
5. Department of Radiology, College of Medicine, Inha University, Incheon, Korea.