Funding for this research was provided by:
Norwegian Polar Institute
University of Gdańsk
Text and Data Mining valid from 2018-03-23
Received: 8 November 2017
Accepted: 15 March 2018
First Online: 23 March 2018
: The study was conducted with permission of the Governor of Svalbard and Norwegian Animal Research Authority.
: The authors declare that they have no competing interests.
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