Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.|Center for Bioinformatics, Beijing 100871, Peoples Republic of China.