Department of Bioinformatics & Life Science, Soongsil University, Seoul, Korea. shpark@ssu.ac.kr|Department of Bioinformatics & Life Science, Soongsil University, Seoul, Korea. shpark@ssu.ac.kr|Department of Bioinformatics & Life Science, Soongsil University, Seoul, Korea. shpark@ssu.ac.kr|Department of Bioinformatics & Life Science, Soongsil University, Seoul, Korea. shpark@ssu.ac.kr|Department of Bioinformatics & Life Science, Soongsil University, Seoul, Korea. shpark@ssu.ac.kr