1. Department of Internal Medicine, Medical Oncology and Hematology, Pusan National University Yangsan Hospital Pusan National University School of Medicine Yangsan South Korea
2. Department of Internal Medicine, Hanyang University Seoul Hospital Hanyang University College of Medicine Seoul South Korea
3. Department of Pathology, Pusan National University Yangsan Hospital Pusan National University School of Medicine Yangsan South Korea
4. Department of Radiology, Pusan National University Yangsan Hospital Pusan National University School of Medicine Yangsan South Korea
5. Department of Radiation Oncology, Pusan National University Yangsan Hospital Pusan National University School of Medicine Yangsan South Korea
6. Department of Neurology, Uijeongbu St. Mary's Hospital Catholic University of Korea Seoul South Korea
7. Department of Urology, Pusan National University Yangsan Hospital Pusan National University School of Medicine Yangsan South Korea