Affiliation: | 1.Canadian Creutzfeldt-Jakob Disease Surveillance System,Public Health Agency of Canada,Winnipeg,Canada;2.Canadian Creutzfeldt-Jakob Disease Surveillance System,Public Health Agency of Canada,Ottawa,Canada;3.Department of Pathology and Laboratory Medicine,Eastern Ontario Regional Laboratory,Ottawa,Canada;4.Chronic Disease Surveillance and Monitoring Division, CCDPC, HPCDPB,Public Health Agency of Canada,Ottawa,Canada;5.Department of Epidemiology and Community Medicine,University of Ottawa,Canada;6.Shantou University Medical College,Shantou,China;7.Brain Research Centre and PrioNet Canada,University of British Columbia,Vancouver,Canada |