1. Department of Periodontology and Implant Dentistry College of Dentistry New York University New York USA
2. Department of Molecular Pathobiology College of Dentistry New York University New York USA
3. Department of Radiology Weill Medical Center Brain Health Imaging Institute Cornell University New York USA
4. Division of Biostatistics Department of Population Health Sciences Weill Medical Center Weill Cornell Medicine New York USA
5. Department of Oral Medicine School of Dental Medicine University of Pennsylvania Philadelphia Pennsylvania USA
6. Department of Psychiatry and Neurochemistry Institute of Neuroscience and Physiology the Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden
7. Clinical Neurochemistry Laboratory Sahlgrenska University Hospital Mölndal Sweden
8. Department of Neurodegenerative Disease UCL Institute of Neurology London UK
9. UK Dementia Research Institute at UCL London UK