Funding for this research was provided by:
Strategiske Forskningsråd (0602-01911B (11-107077))
Text and Data Mining valid from 2019-03-22
Received: 22 November 2018
Accepted: 11 March 2019
First Online: 22 March 2019
Ethics approval and consent to participate
: This is included in the manuscript as is also the approval by the Danish Animal Experimentation Board and by the Danish Occupational Health Surveillance.
: Not applicable.
: The authors declare that they have no competing interests.
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