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1 Department of Urology, College of Medicine, University of Illinois, Chicago, Illinois.
2 Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
3 Instituto Valenciano de Infertilidad, Rome, Italy.
1 Department of Urology, College of Medicine, University of Illinois, Chicago, Illinois.
2 Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
3 Instituto Valenciano de Infertilidad, Rome, Italy.