[1] Duke Univ, Med Ctr, Div Med Genet, Dept Pediat, Durham, NC 27710 USA
[2] Wayne State Univ, Dept Pediat, Div Genet & Metab Disorders, Detroit, MI 48202 USA
[3] Wayne State Univ, Dept Internal Med, Detroit, MI 48202 USA
[4] Childrens Hosp Michigan, Detroit, MI 48201 USA
[5] Univ Tennessee, Div Med Genet, Dept Pediat, Knoxville, TN 37996 USA
[6] Le Bonheur Childrens Hosp, Memphis, TN USA
[7] Univ Tennessee, Dept Radiol, Hlth Sci Ctr, Memphis, TN USA
[8] Univ Tennessee, Dept Ophthalmol, Hlth Sci Ctr, Memphis, TN USA
[9] Univ Tennessee, Dept Neurosurg, Hlth Sci Ctr, Memphis, TN USA
[10] Le Bonheur Childrens Hosp, Le Bonheur Neurosci Inst, Memphis, TN USA
[11] Duke Univ, Med Ctr, Dept Pediat, Endocrinol, Durham, NC 27710 USA