1. Department of Anatomy, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
2. Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia.
3. Department of Cell Biology, University of Virginia, Charlottesville, Virginia.
4. Center for Research in Contraception and Reproductive Health, University of Virginia, Charlottesville, Virginia.
5. Center for Membrane & Cell Physiology, Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, Virginia.