1. Educational Background - MD: Hanyang University, College of Medicine, Seoul, South Korea, 2012 2. Work Experience - Residency: Internal Medicine at Hanyang University Hospital, Seoul, South Korea, 2012-2017 - Fellowship: Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine at Hanyang University Guri Hospital, Seoul, South Korea, 2017/Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine at Seoul National University Bundang Hospital, Seoul, South Korea, 2018 - Head of Department: Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine at Veterans Health Service Medical Center, Seoul, South Korea, 2019-Present 3. Research Interests - Critical care - Pulmonology - Study methodology: meta-analysis