1. Unit on Molecular Hormone Action, Program in Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Building 10, Clinical Research Center, Rm. 1-3140, 10 Center Drive MSC 1109, Bethesda, MD 20892–1109, USA.
2. Bioinformatics and Scientific IT Program, Office of Technology Information Systems, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892–1109, USA.
3. First Department of Pediatrics, Athens University Medical School, Athens 11527, Greece.