1. Harvard Reproductive Endocrine Sciences Center and the Reproductive Endocrine Unit of the Department of Medicine (F.A.C.-B., R.B., K.W.K., N.D.S., L.P., C.L.B., J.-H.C., S.B.S., J.E.H., W.F.C.), Massachusetts General Hospital, Boston, Massachusetts 02114;
2. Department of Genetics (N.A.-T., D.M., B.M.), King Faisal Speciality Hospital and Research Centre, Riyadh 11211, Saudi Arabia;
3. Endocrine, Diabetes, and Metabolism Service (A.A.D., N.P.), Centre Hospitalier, Universitaire Vaudois, 1011 Lausanne, Switzerland;
4. Royal Victoria Infirmary (R.Q.), Newcastle-upon Tyne NE1 4LP, United Kingdom