Funding for this research was provided by:
XL Catlin Seaview Survey
Text and Data Mining valid from 2018-02-10
Received: 10 December 2017
Revised: 28 January 2018
Accepted: 29 January 2018
First Online: 10 February 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All applicable international, national and/or institutional guidelines for the care and use of animals were followed by the authors.