1. M&D Inc, Wonju Eco Environmental Technology Center, Wonju, Gangwon
2. Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, Wonju, Gangwon
3. Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, Wonju, Gangwon, Institute for Life Science and Biotechnology, Yonsei University, Seoul
4. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea