1. Department of Pathology, Seoul National University College of Medicine, Seoul, Republic of Korea
2. Department of Pathology, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
3. Department of Pathology, School of Medicine, Kyungpook National University, Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea
4. Department of Pathology, Seoul National University Hospital, Seoul, Republic of Korea
5. Department of Surgery, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
6. Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea