1. Kuakini Center for Translational Research on Aging, Kuakini Medical Center , Honolulu, Hawaii , USA
2. Department of Tropical Medicine, Medical Microbiology and Pharmacology, University of Hawaii , Honolulu, Hawaii , USA
3. Department of Geriatric Medicine, University of Hawaii , Honolulu, Hawaii , USA
4. Department of Neurology, Oregon Health & Science University , Portland, Oregon , USA
5. Layton Aging and Alzheimer’s Disease Center, Oregon Health & Science University , Portland, Oregon , USA