With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:101:1-2021051915111613768089
	https://doi.org/10.15252/embj.2020107471 STATUS : 302 → Redirecting to : https://www.embopress.org/doi/10.15252/embj.2020107471
	https://www.embopress.org/doi/10.15252/embj.2020107471 STATUS : 403 → Skipping : https://www.embopress.org/doi/10.15252/embj.2020107471
	http://d-nb.info/1233770276/34 STATUS : 301 → Redirecting to : https://d-nb.info/1233770276/34
	https://d-nb.info/1233770276/34 STATUS : 404 → Skipping : https://d-nb.info/1233770276/34

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