1. Department of Occupational Pneumology, Institute of Industrial Ecological Sciences University of Occupational and Environmental Health Fukuoka Japan
2. Center for Stress‐related Disease control and Prevention University of Occupational and Environmental Health Fukuoka Japan
3. Department of Respiratory Medicine University of Occupational and Environmental Health Fukuoka Japan
4. Department of Environmental Health Engineering, Institute of Industrial Ecological Sciences University of Occupational and Environmental Health Japan Fukuoka Japan
5. Shared‐Use Research Center, School of Medicine University of Occupational and Environmental Health Fukuoka Japan
6. Department of Advanced Science and Engineering Graduate School of Advanced Science and Engineering, Hiroshima University Hiroshima Japan