1. Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University
2. Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University
3. Department of Respiratory Medicine, National Hospital Organization Omuta National Hospital
4. Center for Cohort Studies, Graduate School of Medical Sciences, Kyushu University
5. Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University
6. Division of Respiratory Medicine, Fukuoka Dental College Medical and Dental Hospital
7. Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University