title: Smartphone applications in paediatric radiology: availability and authority.
abstract: BACKGROUND
  With the widespread ownership of smartphones, many health care professionals question the degree to which medically related smartphone applications are reliable.
  
  
  OBJECTIVE
  To assess the variety of smartphone applications relating to paediatric radiology and the presence of health care professional involvement in their development. As a secondary objective, we explore whether there are gaps within the paediatric radiology app market.
  
  
  METHODS
  The most popular smartphone marketplaces (Apple iTunes App Store, Blackberry Mobile Market, Google Play Android Market, Nokia Ovi, Samsung and Microsoft Windows Marketplace) were searched for terms relating to paediatric radiology. Cost, review ratings, number of downloads, health care involvement and target audience were recorded.
  
  
  RESULTS
  Nine paediatric radiology applications were found in the Apple iTunes App Store and nine in the Google Play Android Market. The target audiences for all applications were health care professionals. None were available for patients or their caregivers. All applications were reported to have medical expertise in their development.
  
  
  CONCLUSIONS
  All paediatric radiology applications were developed with the aid of a health care professional. Due to the small number available online, there is a potential gap in the marketplace for further applications in this field, possibly aimed at patients and their families.
authors.affiliation: Specialist Registrar in Clinical Radiology, Department of Clinical Radiology, Great Ormond Street Hospital, London, WC1N 3JH, UK, susie.shelmerdine@gmail.com.
authors.forename: Susan C
authors.initials: SC
authors.lastname: Shelmerdine
authors.forename: Jeremy O
authors.initials: JO
authors.lastname: Lynch
mesh_terms: D054626:Consumer Health Information / Q000191:economics / Q000706:statistics & numerical data*; D057225:Data Mining / Q000706:statistics & numerical data; D003952:Diagnostic Imaging / Q000706:statistics & numerical data; D020407:Internet / Q000706:statistics & numerical data*; D063731:Mobile Applications / Q000191:economics / Q000706:statistics & numerical data*; D010372:Pediatrics / Q000191:economics / Q000706:statistics & numerical data*; D011871:Radiology / Q000191:economics / Q000706:statistics & numerical data*; D000068997:Smartphone / Q000191:economics / Q000706:statistics & numerical data*; D014481:United States
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