Funding for this research was provided by:
Norges Forskningsråd (NRC 178268)
Johan Haaland's Legat
Received: 20 March 2018
Accepted: 31 August 2018
First Online: 12 September 2018
: The authors declare that they have no competing interests.
: The animal experiment was performed in compliance with ethical guidelines and approved by the Norwegian Animal Research Authority (FOTS id852) with reference to the Norwegian regulation on animal experimentation (FOR-1996-01-15-23).
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