1. Department of Infectious Diseases, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Pulmonology and Critical Care Medicine, University of Ulsan College of Medicine, Seoul, Korea.
3. Department of Thoracic and Cardiovascular Surgery, University of Ulsan College of Medicine, Seoul, Korea.
4. Department of Pediatrics, University of Ulsan College of Medicine, Seoul, Korea.
5. Department of Radiology, University of Ulsan College of Medicine, Seoul, Korea.
6. Department of Anesthesiology and Pain Medicine, University of Ulsan College of Medicine, Seoul, Korea.