1. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Medical History and Medical Humanities, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Pathology, Korea University Guro Hospital, Seoul, Korea.
4. Korea Human Bio-Repositories Network, Seoul, Korea.
5. Bio-Resource Center, Asan Medical Center, Seoul, Korea.