404. That’s an error.

The requested URL /translate_c?anno=2&depth=1&hl=it&rurl=translate.google.com&sl=en&sp=nmt4&tl=it&u=https://doi.org/10.1371/journal.pmed.1000121&xid=17259,15700023,15700186,15700190,15700253,15700256,15700259&usg=ALkJrhg9LdOTsaKpSBKCnag8lV1cSiifdQ was not found on this server. That’s all we know.