1. Division of Medical Oncology; Department of Internal Medicine; Yonsei Cancer Center; Yonsei University College of Medicine; Seoul South Korea
2. Song-Dang Institute for Cancer Research; Yonsei University College of Medicine; Seoul South Korea
3. Division of Medical Oncology; Department of Internal Medicine; CHA University Bundang Medical Center; Seongnam South Korea
4. Department of Pathology; Yonsei University College of Medicine; Seoul South Korea
5. Department of Pathology; Hanyang University College of Medicine; Seoul South Korea
6. Oncology Medical; Lilly Research Laboratories; A Division of Eli Lilly and Company; Lilly Corporate Center; Indianapolis Indiana
7. Diagnostic and Experimental Pathology; Eli Lilly and Company; Indianapolis Indiana
8. Eli Lilly and Company; Seoul South Korea