1. Division of Community Health, Tohoku University Graduate School of Medicine
2. Division of Public Health Nursing, Tohoku University Graduate School of Medicine
3. Department of Occupational Health, Tohoku University Graduate School of Medicine
4. Division of Cancer Epidemiology and Prevention, Miyagi Cancer Center Research Institute
5. Department of Epidemiology and Public Health, Kanazawa Medical University
6. Department of Thoracic Surgery, Miyagi Cancer Center Hospital
7. Department of Respiratory Medicine, Miyagi Cancer Center Hospital
8. Division of Pulmonary Medicine, Allergy, and Rheumatology, Department of Internal Medicine, Iwate Medical University School of Medicine
9. Center for Preventive Medicine, Osaki Citizen Hospital