This article is
in the 76th percentile (ranked 68,781st) of the 297,852 tracked articles of a similar age in all journals
and the 1st percentile
(ranked 1st) of the 1
tracked articles of a similar age in BMC Health Services Research
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Altmetric calculates a score based on the online attention an article receives. Each coloured
thread in the circle represents a different type of online attention. The number in the centre
is the Altmetric score. Social media and mainstream news media are the main sources that calculate the score.
Reference managers such as Mendeley are also tracked but do not contribute to the score.
Older articles often score higher because they have had more time to get noticed. To account for this, Altmetric has
included the context data for other articles of a similar age.