=== HTTP code : 301 ===

Response headers
================
HTTP/1.0 301 Moved Permanently
Location: http://www.nature.com/articles/srep13992
Server: BigIP
Connection: close
Content-Length: 0

Request headers
================
HEAD /articles/srep13992 HTTP/1.1
Host: nature.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Accept: */*
Referer: https://bme.fiu.edu
Connection: close


Link is valid.