Stanford Center for Biomedical Informatics Research, School of Medicine, Stanford University, Stanford California, AC, USA. acallaha@stanford.edu.|Molecular Bioinformatics Laboratory, Millennium Institute on Immunology and Immunotherapy, 49 Santiago, CP, 8330025, Portugal. jjcifuentes@uc.cl.|Stanford Center for Biomedical Informatics Research, School of Medicine, Stanford University, Stanford California, AC, USA. michel.dumontier@stanford.edu.