Funding for this research was provided by:
Agria Djurförsäkring (N2015-0016)
Svenska Kennelklubben (N2015-0016)
Text and Data Mining valid from 2019-04-27
Received: 12 October 2018
Accepted: 16 April 2019
First Online: 27 April 2019
Ethics approval and consent to participate
: Pathologists at the Norwegian University of Life Sciences collected samples from dogs during routine post mortem examination of privately owned dogs euthanized by intravenous pentobarbital injection at the University Animal Hospital. Control dogs were euthanized of reasons unrelated to this study. Written consent for euthanasia, post mortem examination and tissue sampling, were given by the dog owners, in accordance with institutional guidelines. A specific permission for the study was not required from the Norwegian Food Safety Authority because all the samples were retrieved from the archive of the pathology laboratory.
: Not applicable.
: The authors declare that they have no competing interests.
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