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Clinical Associated Professor Samsung Medical Center, Department of Emergency Medicine,, Ewha University,School of Medicine
Professor of Internal Medicine, Sungkyunkwan University School of Medicine, Seoul National University College of Medicine
Professor of Emergency Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul National University, College of Medicine
Associate Professor of Emergency Medicine,Samsung Medical Center, Sungkyunkwan University School of Medicine, Hanyang University the College of Medicine
Assoctate Professor of Emergency Medicine, Kyung Hee University, School of Medicine
Associate Professor of Emergency Medicine, Gyeongsang National University
Associate Professor of Emergency Medicine, Pusan National University, School of Medicine