[1] Univ Kuopio, Dept Neurosci & Neurol, FIN-70211 Kuopio, Finland
[2] Univ Munich, Ctr Neuropathol & Prion Res, Munich, Germany
[3] Kings Coll Hosp London, Dept Clin Neuropathol, London, England
[4] Kings Coll London, Inst Psychiat, London, England
[5] Karolinska Inst, Dept Geriatr, Huddinge, Sweden
[6] Inst Clin Neuroanat, Inst Neuropathol, Frankfurt, Germany
[7] Fdn IRCCS, Ist Neurol Carlo Besta, Milan, Italy
[8] Univ Barcelona, Inst Neuropatol, Barcelona, Spain
[9] Med Univ Vienna, Inst Neurol, Vienna, Austria
[10] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[11] Univ Sheffield, Sch Med, Acad Nit Pathol, Sheffield, S Yorkshire, England
[12] Netherlands Brain Bank, Amsterdam, Netherlands
[13] Natl & Capodistrian Univ Athens, Dept Pathol, Athens, Greece
[14] Natl Inst Psychiat & Neurol, OPNI, Budapest, Hungary
[15] Univ Bonn, Inst Neuropathol, D-5300 Bonn, Germany
[16] Univ Lyon 1, Fac Med Laennec, Hosp Civils Lyon, Ctr Pathol & Neuropathol Est, F-69365 Lyon, France
[17] Univ Wurzburg, Inst Pathol, Abt Neuropathol, D-8700 Wurzburg, Germany
[18] Univ Bologna, Dipartimento Sci Neurol, Bologna, Italy
[19] Univ Paris 06, Lab Neuropathol Raymond Escourolle, Paris, France
[20] INSERM, Paris, France
[21] Univ Klinikum, Gottingen, Germany
[22] Univ Ulm, Inst Pathol, Neuropathol Lab, Ulm, Germany