title: Editorial Comment.
authors.affiliation: Center for Male Reproductive Medicine and Microsurgery, Department of Urology and Institute for Reproductive Medicine, Weill Cornell Medical College, New York, New York.
authors.forename: Phil Vu
authors.initials: PV
authors.lastname: Bach
authors.affiliation: Center for Male Reproductive Medicine and Microsurgery, Department of Urology and Institute for Reproductive Medicine, Weill Cornell Medical College, New York, New York.
authors.forename: Marc
authors.initials: M
authors.lastname: Goldstein