Department of Bioinformatics & Life Sciences, Soongsil University, Seoul, Korea.|Department of Bioinformatics & Life Sciences, Soongsil University, Seoul, Korea.|Department of Bioinformatics & Life Sciences, Soongsil University, Seoul, Korea.|Department of Bioinformatics & Life Sciences, Soongsil University, Seoul, Korea.|Department of Bioinformatics & Life Sciences, Soongsil University, Seoul, Korea.