1. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of California, Davis, CA, USA
2. Department of Obstetrics and Gynecology, Benha School of Medicine, Egypt
3. Department of Urology and Cancer Center, University of California at Davis Medical Center Research III, Sacramento, CA, USA
4. Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
5. Department of Internal Medicine, University of California Davis, Sacramento, CA, USA
6. Department of Pathology, University of California San Diego, La Jolla, CA, USA
7. Department of Public Health, University of Tennessee, Knoxville, TN, USA
8. Civil and Environmental Engineering, University of California Davis, Davis, CA, USA