1. Department of Obstetrics and Gynecology and
2. Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, Texas 75390
3. Department of Mechanical Engineering, Columbia University, New York, New York 10027; and
4. Department of Pathology, Anatomy, and Cell Biology
5. Cancer Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania 19107