Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.|European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, Cambridge, UK.|Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.|Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.|Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.|Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.