1 Australian National CJD Registry The Florey, Austin Health and Western Health, Melbourne, Australia. Daniel.barber@austin.org.au.
2 St Vincent's Hospital, Melbourne, Australia.
3 Australian National CJD Registry, The Florey and/or Department of Medicine (RMH), The University of Melbourne, Melbourne, Australia.
4 Australian E-Health Research Centre, CSIRO, Herston, Canberra, Australia.
5 Australian National CJD Registry, The Florey and Department of Medicine (RMH), The University of Melbourne, Melbourne, Australia. s.collins@unimelb.edu.au.