1. Institute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden
2. Department of Neurology Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
3. Clinical Neurochemistry Laboratory Sahlgrenska University Hospital Mölndal Sweden
4. Department of Pathology and Laboratory Medicine Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
5. UK Dementia Research Institute at UCL London UK
6. Department of Neurodegenerative Disease UCL Institute of Neurology London UK
7. Hong Kong Center for Neurodegenerative Diseases Hong Kong China