title: Necessity is the mother of innovation.
authors.affiliation: BioMed Central Limited, London, UK. velterop@biomedcentral.com
authors.forename: Jan
authors.initials: J
authors.lastname: Velterop
mesh_terms: D022126:Access to Information; D035843:Biomedical Research; D009316:National Institutes of Health (U.S.); D011643:Publishing / Q000639:trends*; D014481:United States