1. National Development and Research Institutes (NDRI), New York, New York,
2. NDRI, New York, New York
3. New York Academy of Medicine, Center for Urban Epidemiologic Studies, New York
4. School of Public Health; Louisiana State University Health Sciences Center, New Orleans
5. NDRI and the Edmond de Rothschild Foundation, Chemical Dependency Institute, Beth Israel Medical Center, New York, New York