Received: 30 November 2017
Accepted: 26 March 2018
First Online: 16 May 2018
: This study was approved by Boehringer Ingelheim Animal Health (BIAH) animal welfare committee. The animals were purchased by and remained in ownership of BIAH throughout the study.
: Not applicable.
: Jeremy Kroll is an employee of Boehringer Ingelheim Vetmedica, Inc. Poul H Rathkjen, Francois-Xavier Orveillon, and Oliver G. Duran are employees of Boehringer Ingelheim Vetmedica GmbH, Christian Kraft is an employee of Boehringer Ingelheim Veterinary Research Center GmbH & Co. KG. Michael Piontkowski is a retired employee of Boehringer Ingelheim Vetmedica, Inc.
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