1. Department of Psychiatry, College of Medicine, University of Nebraska Medical Center, Omaha.
2. Department of Pharmacy Practice and Science, College of Pharmacy, University of Nebraska Medical Center, Omaha.
3. Social and Behavioral Science Research Consortium, University of Nebraska, Lincoln.
4. LARS Research Institute, Inc., Scottsdale, AZ.
5. Prevention Strategies, Greensboro, NC.
6. Methodology Evaluation Research Core, Social and Behavioral Science Research Consortium, University of Nebraska, Lincoln.