[1] Univ Autonoma Madrid, IdiPAZ, Hosp Univ La Paz, Inst Med & Mol Genet, Madrid 28046, Spain
[2] Hosp Virgen Salud, Dept Genet, Palma De Mallorca 07014, Spain
[3] Hosp Virgen Salud, Pediat Endocrinol Unit, Dept Pediat, Palma De Mallorca 07014, Spain
[4] Hosp Virgen Salud, Dept Pediat, Toledo 45004, Spain
[5] Univ Autonoma Madrid, Hosp Infantil Univ Nino Jesus, Dept Endocrinol, Inst Invest La Princesa, Madrid 28009, Spain
[6] Hosp Univ La Paz, Dept Pediat Endocrinol, Madrid 28046, Spain
[7] Thomas Jefferson Univ, Dept Pediat, Philadelphia, PA 19107 USA
[8] Univ Texas SW Med Sch, Dermott Ctr Human Growth & Dev, Dallas, TX 75235 USA
[9] Univ Texas SW Med Sch, Dept Internal Med, Dallas, TX 75235 USA