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:101:1-2019051623021982309676
	https://doi.org/10.1038/s41467-019-09980-7 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41467-019-09980-7
	https://www.nature.com/articles/s41467-019-09980-7 STATUS : 303 → Redirecting to : https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-019-09980-7
	https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-019-09980-7 STATUS : 302 → Redirecting to : https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-019-09980-7&code=a3bd3ba8-cf8e-41d6-be9c-f8f9a41ad545
	https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41467-019-09980-7&code=a3bd3ba8-cf8e-41d6-be9c-f8f9a41ad545 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41467-019-09980-7?error=cookies_not_supported&code=a3bd3ba8-cf8e-41d6-be9c-f8f9a41ad545
	https://www.nature.com/articles/s41467-019-09980-7?error=cookies_not_supported&code=a3bd3ba8-cf8e-41d6-be9c-f8f9a41ad545 STATUS : 406 → Skipping : https://www.nature.com/articles/s41467-019-09980-7?error=cookies_not_supported&code=a3bd3ba8-cf8e-41d6-be9c-f8f9a41ad545
	http://d-nb.info/1186345993/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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