1. Division of Infection Control and Prevention University of Occupational and Environmental Health, Japan Kitakyushu Japan
2. Department of Respiratory Medicine University of Occupational and Environmental Health, Japan Kitakyushu Japan
3. Department of Environmental Health Engineering Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan Kitakyushu Japan
4. Department of Pathology University of Environmental and Occupational Health, Japan Kitakyushu Japan