Funding for this research was provided by:
European Research Council (AdG-294333)
Wenner-Gren Foundation
Japan Society for the Promotion of Science (233967)
Vetenskapsrådet
Text and Data Mining valid from 2015-12-01
Version of Record valid from 2015-12-02
Article History
Received: 19 October 2015
Accepted: 20 November 2015
First Online: 2 December 2015