Division of Reproduction, Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
Division of Clinical Sciences/O&G, Department of Clinical and Experimental Medicine, Linkoping University, Linkoping, Sweden
Copyright © 2016 Jane M. Morrell, Heriberto Rodriguez-Martinez et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.