1. Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
2. Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA, USA
3. Department of Biochemistry, Department of Neurology, School of Medicine, Emory University, Atlanta, GA, USA
4. Department of Rehabilitation Medicine, Emory University School of Medicine, Atlanta, GA, USA
5. Department of Clinical Chemistry, Amsterdam Neuroscience, Neurodegeneration, Neurochemistry Laboratory, Amsterdam University Medical Centers, Vrije Universiteit, Amsterdam, The Netherlands
6. Department of Psychiatry, School of Medicine, University of Kinshasa and Catholic University of Congo, Kinshasa, Kinshasa I, Democratic Republic of Congo
7. Protestant University of Congo, Kinshasa, Kinshasa II, Democratic Republic of Congo
8. Department of Psychiatry, University of Kinshasa, Kinshasa, Kinshasa I, Democratic Republic of Congo
9. Faculty of Medicine, University of Kikwit, Democratic Republic of Congo
10. Memory Clinic of Kinshasa, Kinshasa, Kinshasa I, Democratic Republic of Congo
11. C N Diagnostics, Saint Louis, MO, USA
12. Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA