Institution: | .Department of Laboratory Medicine, Kyung Hee University School of Medicine and Kyung Hee University Hospital at Gangdong, #149 Sangil-dong, Gangdong-gu, Seoul, Korea ;.Department of Pulmonary and Critical Care Medicine, Kyung Hee University School of Medicine and Kyung Hee University Hospital at Gangdong, #149 Sangil-dong, Gangdong-gu, Seoul, Korea |