1. Department of Surgery, Yonsei University College of Medicine, Korea.
2. Pancreaticobiliary Cancer Clinic, Yonsei University Health System, Korea.
3. Young Yonsei Pancreatic Tumor Study Group, Korea.
4. Department of Radiology, Yonsei University College of Medicine, Korea.
5. Department of Pathology, Yonsei University College of Medicine, Korea.
6. Department of Internal Medicine, Yonsei University College of Medicine, Korea.
7. Department of Medical Oncology, Yonsei University College of Medicine, Korea.