Funding for this research was provided by:
National Science Foundation (DEB-1208428, DEB-1118823)
Received: 15 August 2017
Accepted: 23 April 2018
First Online: 8 May 2018
Ethics approval and consent to participate
: No permissions were required for this study as blood was collected by a breeder, E. Kempf, and given to R. Kimball for previous research and not for the purpose of this study.
: The authors declare that they have no competing interests.
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