The closed access article is about to vanish because his publisher wants to stop his journal. Fortunately the open access article knows the road that the closed access article has to take in order to be visible in the future ...
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Unless otherwise stated, all materials created by the FOSTER consortium are licensed under a CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE.
This project has received funding from the European Union’s Seventh Framework Programme for research,
technological development and demonstration under grant agreement no 612425.
This project has also received funding from the European Union's Horizon2020 programme for research, technological development and demonstration under agreement no 741839.