1. Department of Pathology; Sanggye Paik Hospital; Inje University; Seoul Korea
2. Department of Pathology; Dongsan Medical Center; Keimyung University; Daegu Korea
3. Department of Pathology; Chungnam National University School of Medicine; Daejeon Korea
4. Department of Pathology and Translational Genomics; Samsung Medical Center; Sungkyunkwan University; Seoul Korea
5. Department of Thoracic Surgery; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Korea
6. Division of Hematology and Medical Oncology; VA Portland Health Care System and Oregon Health and Science University; Portland OR USA
7. Department of Pathology and Knight Cancer Institute; Oregon Health & Science University; Portland OR USA