1Department of Neurology, University of California (DT), Davis, Sacramento, CA
2School of Nursing, University of Minnesota (HN), Minneapolis, MN
3National Geriatric Hospital (TP, ATN, HTN, NBN), Hanoi, Vietnam
5Department of Public Health Sciences, University of California (DH), Davis, Davis, CA
6Department of Psychiatry and Behavioral Sciences, University of California (LH), Davis, Sacramento, CA