Funding for this research was provided by:
Svenska Forskningsrådet Formas (221-2007-488)
Received: 3 December 2019
Accepted: 31 March 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: This study involved the use of animal organs and was approved by Uppsala djurförsöksetiska nämnd, Uppsala Tingsrätt, Box 1113, SE-751 41, Uppsala; State Department of Agriculture, Sweden, with decision number C194/12.
: Not applicable.
: The authors declare that they have no competing interests.