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Article History

Received: 10 April 2018

Accepted: 18 July 2018

First Online: 27 July 2018

Ethics approval

: The study was approved by the Ethics Committee for Animal Research, Lund University, Lund, Sweden (no. M 154-13). All animals received care according to the European Convention for the Protection of Vertebrate Animals used for Experimental and Other Scientific Purposes, as well as to the USA Principles of Laboratory Animal Care of the National Society for Medical Research, and the Guide for the Care and Use of Laboratory Animals, published by the National Academies Press (1996).

: Not applicable

: The authors EB, SL, LA, MW, LP, and DW declare that they have no competing interests. The author AO is a shareholder in PEXA® AB ( ), and AO has also a patent associated with the PEXA® method (patent number wo2009045163).

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