1. Human Genetics (F.C., M.L.B., A.H.M., S.A.C.), University of Michigan, Ann Arbor, Michigan 48109-5618
2. Department of Medicine (D.F.G., J.M.K., E.C.R.), University of Colorado, Aurora, Colorado 80045
3. Beth Israel Deaconess Medical Center (K.R.V., A.H.), Harvard University, Boston, Massachusetts 02215
4. Aix Marseille University Department of Endocrinology (T.B.), La Timone Hospital, Marseille, 13005 France