1. School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University, Daehak-ro 80 Buk-gu Daegu, 702-701, Republic of Korea
2. Department of Clinical Pathology, Tae Kyeung College, 24, Danbuk-ri, Jain-myeon, Gyeongsan-si, Gyeongsangbuk-do, 712-719, Republic of Korea