1. Banner Sun Health Research Institute, 10515 W. Santa Fe Dr., Sun City AZ 85351,, United States
2. Institute of Psychiatry Research, Department of Psychiatry, School of Medicine, Indiana University-Purdue University, Indianapolis, IN,, United States
3. Alzheimer's and Memory Disorders Division, Barrow Neurological Institute, 240 West Thomas, Ste 301, Phoenix, AZ 85013,, United States