Mónica Fernández-Cancio, J. Martínez-Mora, E. Vicens-Calvet, M. Carrera, M. Andrade, M. Gussinyé, Antonio Perez-Aytes, Emilio Suárez García, C. Piró, Teresa Vendrell, G. Lledó, M. Del Campo, Laura Audí, Pablo Lapunzina, L. Castaño, Diego Yeste, J. Sánchez del Pozo, José Luis Arroyo, Andrés Blanco Blanco, Maria Clemente, José I Labarta, A. Carrascosa, I. Hernández de la Calle, J. A. Bermúdez de la Vega, J. Forn, Joaquim Calaf, Pilar Andaluz, J. del Valle, E. Mayayo, Nuria Toran, E. Vilaró, Isabel Salinas, M. Beneyto, O. Angerri, Ángel Segura, María Caimari, Ricardo Gracia-Bouthelier, María Angeles Albisu, M. J. Martínez-Sopena, Elisabeth Gabau, V. Borrás, M. J. Martínez-Aedo, María Luisa Granada, Antonio M. Rodríguez, Grupo de Apoyo al Síndrome de Insensibilidad a los Andrógenos (GrApSIA), [Audi,L, Fernández-Cancio,M, Carrascosa,A, Andaluz,P, Vilaró,E, Vicens-Calvet,E, Gussinyé,M, Albusi,MA, Yeste,D, Clemente,M] Pediatric Endocrinology Research Unit, Research Institute, Hospital Vall d’Hebron, Autonomous University, CIBERER (Centre for Biomedical Research Network on Rare Diseases), Instituto de Salud Carlos III, Barcelona, Spain. [Torán,N, Pirón,C, Hernandez de la Calle,I, Campo,M del, Vendrell,T] Departments of Pathology, Pediatric Surgery, Gynecology, and Genetics, Hospital Vall d’Hebron, Barcelona, Spain. [Blanco,A, Martínez-Mora,J, Granada,ML, Salinas,I] Departments of Pediatric Surgery, Biochemistry, and Endocrinology, Hospital Germans Trias-Pujol, Badalona, Spain. [Forn,J, Calaf,J] Departments of Pediatrics and Gynecology, Hospital Santa Creu i Sant Pau, Barcelona, Spain. [Angerri,O] Department of Urology, Fundació Puigvert, Barcelona, Spain. [Martínez-Sopena,MJ] Department of Pediatrics, Hospital Clínico, Valladolid, Spain. [Valle,J del, García,E] Department of Pediatric Endocrinology, Hospital Virgen del Rocío, Sevilla, Spain. [Gracia-Bouthelier,R, Lapunzina,P] Departments of Pediatric Endocrinology and Genetics, Hospital La Paz, Madrid, Spain. [Mayayo,E, Labarta,JI] Department of Pediatric Endocrinology, Hospital Infantil Miguel Servet, Zaragoza, Spain. [Lledó,G, Sánchez del Pozo,J] Department of Pediatric Endocrinology, Hospital 12 de Octubre, Madrid, Spain. [Arroyo,J] Department of Pediatrics, Complejo Hospitalario de Cáceres, Cáceres, Spain. [Pérez-Aytes,A] Department of Pediatrics, Hospital Infantil La Fe, Valencia, Spain. [Beneyto,M] Department of Genetics, Hospital La Fe, Valencia, Spain. [Segura,A] Department of Urology, Hospital General Universitario de Alicante, Alicante, Spain. [Borrás,V] Department of Pediatrics, Hospital de Granollers, Granollers, Spain. [Gabau,E] Department of Genetics, Corporació Hospitalaria Parc Taulí, Sabadell, Spain. [Caimarí,M] Department of Pediatrics, Hospital Son Dureta, Palma de Mallorca, Spain. [Rodríguez,A] Department of Pediatrics, Hospital Txagorritxu, Vitoria, Spain. [Martínez-Aedo,MJ] Department of Pediatric Endocrinology, Hospital Carlos Haya, Málaga, Spain.[Carrera,M] Centro de Patología Celular CPC, Barcelona, Spain. [Castaño,L] Research Institute, CIBERER, Instituto de Salud Carlos III, Hospital de Cruces, Bilbao, Spain. [Andrade,M] Department of Biochemistry, Hospital Xeral CIES, Vigo, Spain. [Bermúdez de la Vega,JA] Department of Pediatric Endocrinology, Hospital Virgen de la Macarena,Sevilla, Spain., and This work was supported by grants from Instituto de Salud Carlos III, Madrid, Spain [PI06/0903 and CIBERER (Center for Biomedical Research on Rare Diseases)] and from AGAUR (University and Research Management and Evaluation Agency), Barcelona, Spain (SGR02 00042 and SGR05 00908).