Funding for this research was provided by:
Text and Data Mining valid from 2019-05-30
Received: 23 January 2019
Accepted: 3 May 2019
First Online: 30 May 2019
Ethics approval and consent to participate
: Pigs were sacrificed following Danish legislation from the Danish Ministry of Environment and Food on slaughtering of animals (BEK nr 135 of 14/02/2014, European legislation identifier/eli/lta/2014/135).
: Not applicable.
: The authors declare that they have no competing interests.