[1] Inst Invest Sanitaria Aragon, Zaragoza, Spain
[2] Fdn Espanola Estudio & Terapeut Enfermedad Gauche, Zaragoza, Spain
[3] Hosp Galdakao, Bilbao, Spain
[4] Hosp Serrania Ronda, Ronda, Spain
[5] Hosp Rio Hortega, Valladolid, Spain
[6] Hosp Virgen de la Concha, Zamora, Spain
[7] Hosp Univ Cent Asturias, Oviedo, Spain
[8] Hosp Teresa Herrera, La Coruna, Spain
[9] Hosp Univ Doce Octubre, Madrid, Spain
[10] Hosp Alcorcon, Madrid, Spain
[11] Ciber Enfermedades Raras, Zaragoza, Spain