[1] Hosp Univ Ramon y Cajal, Dept Endocrinol & Nutr, Neuroendocrinol Unit, Madrid, Spain
[2] Hosp Univ Ramon y Cajal, Neuroradiol Unit, Dept Diagnost Imaging, Madrid, Spain
[3] Hosp Univ Ramon y Cajal, Dept Ophthalmol, Neuroophthalmol Unit, Madrid, Spain
[4] Univ Alcala, Madrid, Spain
[5] Hosp Univ Ramon y Cajal, Dept Pathol, Endocrinol Unit, Madrid, Spain
[6] Hosp Univ Ramon y Cajal, Dept Otorhinolaryngol ENT, Rinol Unit, Madrid, Spain
[7] Inst Invest Sanitaria Ramon y Cajal IRYCIS, Madrid, Spain
[8] Hosp Univ Ramon y Cajal, Dept Neurosurg, Pituitary Surg Unit, Madrid, Spain
[9] Ctr Invest Biomed Red Diabet & Enfermedades Metab, Madrid, Spain
[10] Hosp Univ Ramon y Cajal, M-607,Km 9,100, Madrid 28034, Spain