1. The Ohio State University, Department of Psychology, Columbus, Ohio
2. Mannheim Institute of Public Health, Heidelberg University, Mannheim, Germany
3. Institute of Psychology, Leiden University, Leiden, The Netherlands
4. United States General Services Administration
5. National Institute of Mental Health National Institutes of Health, Rockville
6. Radiant Research, Denver, Colorado
7. Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center
8. National Institute of Aging, National Institutes of Health, Baltimore
9. United States Pharmacopeia, USA
10. National Institute of Diabetes and Digestive and Kidney Disease, National Institutes of Health, Bethesda, Maryland