[1] Katholieke Univ Leuven, VIB KU Leuven Ctr Brain & Dis Res, Leuven, Belgium
[2] Katholieke Univ Leuven, Dept Neurosci, Leuven Brain Inst, Leuven, Belgium
[3] Katholieke Univ Leuven, Dept Cellular & Mol Med, Leuven, Belgium
[4] Katholieke Univ Leuven, Dept Imaging & Pathol, Leuven, Belgium
[5] Katholieke Univ Leuven, Dept Publ Hlth & Primary Care, Leuven, Belgium
[6] UCL, UK Dementia Res Inst, London WC1E 6BT, England
[7] UCL, Dept Neurodegenerat Dis, UCL Queen Sq Inst Neurol, London, England
[8] UCL, Med Res Council, Prion Unit, UCL,Inst Prion Dis, London, England
[9] UCL, Reta Lila Weston Inst, UCL Queen Sq Inst Neurol, London, England
[10] UCL, Dept Clin & Movement Neurosci, UCL Queen Sq Inst Neurol, London, England
[11] UCL, Queen Sq Brain Bank Neurol Disorders, Queen Sq Inst Neurol, London, England
[12] UCL, Dept Neuromuscular Disorders, UCL Queen Sq Inst Neurol, London, England
[13] Univ Coll London Natl Hlth Serv Fdn Trust, Div Neuropathol, Natl Hosp Neurol & Neurosurg, London, England
[14] Belgian Red Cross Flanders, Blood Serv, Mechelen, Belgium
[15] Univ Ghent, Fac Med & Hlth Sci, Ghent, Belgium
[16] Sorbonne Univ, Inst Cerveau & Moelle Epiniere, CNRS UMR, INSERM, Paris, France
[17] Hop La Pitie Salpetriere, AP HP, Lab Neuropathol Raymond Escourolle, Paris, France
[18] Hop La Pitie Salpetriere, AP HP, Cellule Natl Reference Malad Creutzfeldt Jakob, Paris, France
[19] Karolinska Inst, Dept Med Solna, Clin Epidemiol Unit, Stockholm, Sweden
[20] Soder Sjukhuset, Dept Cardiol, Stockholm, Sweden
[21] Univ Coll London Hosp, Biomed Res Ctr, Natl Inst Hlth Res, London, England
[22] Hong Kong Univ Sci & Technol, Inst Adv Study, Hong Kong, Peoples R China
[23] Univ Cambridge, Dept Clin Neurosci, Div Neurosurg, Cambridge, England
[24] Univ Tubingen, Hertie Inst Clin Brain Res, Tubingen, Germany
[25] Ctr Neurodegenerat Dis, Tubingen, Germany
[26] Univ Edinburgh, Ctr Clin Brain Sci, Edinburgh, Midlothian, Scotland
[27] Univ Edinburgh, UK Dementia Res Inst, Edinburgh, Midlothian, Scotland
[28] Western Gen Hosp, Natl Creutzfeldt Jakob Dis Res & Surveillance Uni, Edinburgh, Midlothian, Scotland
[29] Univ Hosp Leuven, Dept Neurol, Leuven, Belgium
[30] Univ Hosp Leuven, Dept Pathol, Leuven, Belgium
[31] Univ Hosp Leuven, Dept Neurosurg, Leuven, Belgium
[32] Univ Bristol, Bristol Med Sch, Translat Hlth Sci, Bristol, Avon, England
[33] Alzheimers Soc, London, England
[34] Epilepsy Res UK, London, England
[35] Univ Southampton, Biol Sci, Southampton, Hants, England
[36] Univ Leeds, Astbury Ctr Struct Mol Biol, Sch Mol & Cellular Biol, Leeds, W Yorkshire, England
[37] Alzheimers Res UK, Cambridge, England
[38] Brigham & Womens Hosp, Dept Neurol, Ann Romney Ctr Neurol Dis, Boston, MA USA
[39] Harvard Univ, Harvard Med Sch, Boston, MA 02115 USA
[40] Etab Francais Sang, La Plaine St Denis, France
[41] Univ Franche Comte, Unite Mixte Rech, INSERM, Besancon, France
[42] European Blood Alliance, Brussels, Belgium
[43] Sanquin, Dept Transfus Med, Amsterdam, Netherlands
[44] Sanquin, Dept Blood Borne Infect, Amsterdam, Netherlands
[45] Multiple Sclerosis Int Federat, London, England
[46] Univ Gothenburg, Sahlgrenska Acad, Dept Psychiat & Neurochem, Gothenburg, Sweden
[47] Univ Gothenburg, Sahlgrenska Acad, Clin Neurochem Lab, Gothenburg, Sweden