1. Department of Neurology, University of Kansas Medical Center, Kansas City, KS, USA
2. University of Kansas Alzheimer's Disease Center, Kansas City, KS, USA
3. Department of Molecular and Integrative Physiology and Internal Medicine-Division of Endocrinology and Metabolism, University of Kansas Medical Center, Kansas City, KS, USA
4. Department of Biostatistics, University of Kansas Medical Center, Kansas City, KS, USA
5. Pediatrics, Section of Nutrition, The University of Colorado Anschutz Medical Campus, Aurora, CO, USA
6. Research Service, Kansas City VA Medical Center, Kansas City, MO, USA