1. Department of Anatomy, Daegu Catholic University School of Medicine, Korea.
2. Department of Medical Education, University of Ulsan College of Medicine, Asan Medical Center, Korea.
3. Institute of Mathematical Sciences, Ewha Womans University, Korea.
4. Division of Applied Mathematical Science, Korea University, Korea.
5. Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, Korea.