About the Author

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Kyung Soo Lee, MD PhD Department of Radiology, Samsung Medical Center Sungkyunkwan University School of Medicine Joungho Han, MD PhD Department of Pathology, Samsung Medical Center Sungkyunkwan University School of Medicine Man Pyo Chung, MD PhD Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine Yeon Joo Jeong, MD PhD Department of Radiology, Pusan National University Hospital Pusan National University School of Medicine and Medical Research Institute