1. Department of Public Health Sciences; Henry Ford Hospital; Detroit MI
2. Josephine Ford Cancer Institute, Henry Ford Hospital; Detroit MI
3. Department of Epidemiology; Columbia University; New York NY
4. Department of Pathology and Urology; University of Miami Miller School of Medicine; Miami FL
5. Lung Cancer Division; Lovelace Respiratory Research Institute; Albuquerque NM
6. Department of Surgical Pathology; Henry Ford Hospital; Detroit MI
7. Department of Environmental Health Sciences; Columbia University; New York NY