Funding for this research was provided by:
Augustinus Fonden (14-3907)
Aase og Ejnar Danielsens Fond (10-001341)
Toyota Foundation Denmark (OH/BG-8610)
DASAIM Pain and Research Award
Text and Data Mining valid from 2019-01-10
Received: 21 November 2017
Accepted: 16 December 2018
First Online: 10 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.