1. Department of Pathology, Seoul National University Hospital, Seoul, Republic of Korea
2. Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
3. Department of Pathology, Jilin University Second Hospital, Changchun, China
4. Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
5. Department of Pathology, Seoul National University Boramae Hospital, Seoul, Republic of Korea
6. Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
7. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea