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Fig. 3


versus obtained from the data set starting 10 April 2000 of MDI360. The black line is the error weighted linear least square fit. We avoid plotting the error bars as they are in similar size of the symbols.

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.

Initial download of the metrics may take a while.