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:101:1-2019012922193866171223
	https://doi.org/10.1038/s41585-018-0134-6 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41585-018-0134-6
	https://www.nature.com/articles/s41585-018-0134-6 STATUS : 303 → Redirecting to : https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41585-018-0134-6
	https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41585-018-0134-6 STATUS : 302 → Redirecting to : https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41585-018-0134-6&code=6db325bf-d279-4bdb-9e28-b359280784d2
	https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41585-018-0134-6&code=6db325bf-d279-4bdb-9e28-b359280784d2 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41585-018-0134-6?error=cookies_not_supported&code=6db325bf-d279-4bdb-9e28-b359280784d2
	https://www.nature.com/articles/s41585-018-0134-6?error=cookies_not_supported&code=6db325bf-d279-4bdb-9e28-b359280784d2 Success. Document available.
	https://d-nb.info/1176610422/34 Success. Document available.

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