1. Department of Family Medicine, USC Keck School of Medicine, Alhambra, CA, USA;
2. Center for Economic and Social Research, University of Southern California, Los Angeles, CA, USA;
3. Rush Alzheimer’s Disease Center, Rush University Medical Center, Chicago, IL, USA;
4. Department of Behavioral Sciences, Rush University Medical Center, Chicago, IL, USA;
5. Department of Psychology, USC Dornsife College of Letters, Arts, and Sciences, Los Angeles, CA, USA;
6. USC School of Gerontology, Los Angeles, CA, USA;
7. Department of Neurology, USC Keck School of Medicine, Los Angeles, CA, USA