Additional file 1.

Data extraction template. The template was used during data extraction to standardize the process. Descriptions are provided for items that may be unclear. Section 8 contains a comprehensive list of evidence-based statements derived from UK BTS/SIGN guidelines which is a superset of those reported in the study and is intended for a separate analysis of the suitability of apps for use in a UK-specific context.

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Huckvale et al. BMC Medicine 2012 10:144   doi:10.1186/1741-7015-10-144