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Fig. 6


Sketch of the sliding time window analysis. The start time of the time window is shifted in 2 day steps from 20 days before the peak time to 20 days after the peak time, i.e., the time window center moves from − 12.5 to 27.5 days relative to the peak time.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

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