Affiliations

• ¹ Division of Acute Care Surgery, Department of Surgery, Korea University Anam Hospital, Korea University School of Medicine, Seoul, South Korea.
• ² Division of Acute Care Surgery, Department of Surgery, Korea University Anam Hospital, Korea University School of Medicine, Seoul, South Korea. ljm3225@hanmail.net.
• ³ Department of Internal Medicine, Chungnam University Sejong Hospital, Chungnam National University College of Medicine, Sejong-si, South Korea. diffable@hanmail.net.
• ⁴ Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University School of Medicine, Seoul, South Korea.
• ⁵ Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Korea University School of Medicine, Seoul, South Korea.
• ⁶ Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University College of Medicine, Busan, South Korea.
• ⁷ Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, National Medical Center, Seoul, Republic of Korea.
• ⁸ Department of Emergency Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, South Korea.
• ⁹ Department of Emergency Medicine, Chungnam National University Hospital, Chungnam National University Medical School, Sejong, South Korea.
• ¹⁰ Department of Internal Medicine, Dong-A University Hospital, Dong-A University College of Medicine, Busan, South Korea.
• ¹¹ Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea.
• ¹² Department of Emergency Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, South Korea.
• ¹³ Department of Internal Medicine, Jeju National University Hospital, Jeju National University School of Medicine, Jeju City, South Korea.