1. Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea
2. Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Severance Hospital, Seoul, Republic of Korea
3. Institute of Immunology and Immunological Disease, College of Medicine, Yonsei University, Seoul, Republic of Korea
4. Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
5. Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
6. Division of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Chungnam National University Sejong Hospital, Sejong, Republic of Korea
7. Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
8. Department of Neurology, Asan Medical Center, Seoul, Republic of Korea