1. Division of Reproductive Endocrinology and Infertility (R.S.U.), Carolinas Medical Center, Charlotte, North Carolina 28232
2. Division of Reproductive Endocrinology and Infertility (J.M.G.), United States Air Force Medical Center, Wright-Patterson Air Force Base, Dayton, Ohio 45433
3. Division of Reproductive Endocrinology and Infertility (B.A.L.), Greenville Hospital, Greenville, South Carolina 29605
4. Departments of Pathology (R.A.L.), Division of Reproductive Endocrinology and Fertility, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599
5. Department of Pathology (R.J.Z.), Milton S. Hershey Medical Center, Hershey, Pennsylvania 17033
6. Obstetrics and Gynecology (M.A.F., S.L.Y.), Division of Reproductive Endocrinology and Fertility, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599