1. Education Development Center, Inc Waltham Massachusetts USA
2. Department of Pscyhiatry and Human Behavior Alpert Medical School of Brown University Providence Rhode Island USA
3. Multicampus Program in Geriatric Medicine and Gerontology, David Geffen School of Medicine University of California Los Angeles California USA
4. Spragens & Associates, LLC Durham North California USA
5. Section of Geriatric Medicine University of Oklahoma Health Sciences Center Oklahoma City Oklahoma USA