Institution: | 1.Institute for Formation and Research of the Fundación "Marqués de Valdecilla" (IFIMAV),Santander,Spain;2.Genetic Epidemiology Unit,Epidemiology & Biostatistics department, Erasmus MC,Rotterdam,The Netherlands;3.Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED),Italy;4.National CJD Surveillance Unit,The University of Edinburgh,Edinburgh,UK;5.Istituto Superiore di Sanità,Laboratory of Virology, Viale Regina Elena 299,Rome,Italy |