PLoS One 2015 25;10(2):e0118307. Epub 2015 Feb 25.
Center for Regenerative Medicine, Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States of America; Department of Reproductive Medicine, UCSD Healthcare, 9500 Gilman Drive, Mail Code 0695, San Diego, CA 92093, United States of America.