1. The Center for Human Reproduction, New York, NY, USA
2. The Foundation for Reproductive Medicine, New York, NY, USA
3. Stem Cell and Molecular Embryology Laboratory, The Rockefeller University, New York, NY, USA
4. Department of Obstetrics and Gynecology, Wake Forest University, Winston Salem, NC, USA
5. Department of Obstetrics and Gynecology, Albert Einstein College of Medicine, Bronx, NY, USA