[1] Ctr Nacl Invest Oncol, Dept Human Genet, Hereditary Endocrine Canc Grp, Madrid 28029, Spain
[2] Ctr Nacl Invest Oncol, Canc Genet Lab, Madrid, Spain
[3] Complejo Hosp Toledo, Serv Endocrinol, Toledo, Spain
[4] Hosp Ramon & Cajal, Serv Endocrinol, E-28034 Madrid, Spain
[5] Hosp Univ 12 Octubre, Serv Endocrinol, Madrid, Spain
[6] Hosp Clin San Carlos, Serv Endocrinol, Madrid, Spain