1. Program in Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.
2. Endocrine Section, Laboratory of Clinical Investigation, National Center for Complementary and Alternative Medicine, National Institutes of Health, Bethesda, MD 20892, USA.
3. First Department of Pediatrics, Athens University, Athens 11527, Greece.
4. Clinical Molecular Profiling Core, Advanced Technology Center, National Cancer Institute, National Institutes of Health, Gaithersburg, MD 20892, USA.
5. Washington DC VA Medical Center, Washington, DC 20422, USA.
6. Department of Biochemistry and Molecular Biology, the Catherine Birch McCormick Genomics Center, George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA.