1 Harvard Reproductive Sciences Center, The Reproductive Endocrine Unit and The Endocrine Unit of the Department of Medicine, Massachusetts General Hospital, Boston, MA.
2 Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.
3 National Institute of Environmental Health Sciences, Research Triangle, NC.
4 Department of Molecular Biology, Massachusetts General Hospital, Boston, MA.
5 Amsterdam University Medical Center, location AMC, Department of Endocrinology and Metabolism, Amsterdam, The Netherlands.
6 Stormont-Vail Health, Cotton O'Neil Diabetes and Endocrinology, Topeka, KS.
7 Translational and Clinical Research Institute, Newcastle University, Newcastle-upon-tyne, UK.
8 Institute of Maternal and Child Research, University of Chile, Santiago, Chile.