1. Division of Infectious Disease, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
2. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
3. Division of Pulmonology, Allergy and Critical Care Medicine, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea