1. From the Faculty of Science and Technology, Keio University, Yokohama, Japan (W.U.)
2. Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan (T.I.)
3. Department of Cardiology, Jichi Medical University School of Medicine, Shimotsuke, Japan (K.K.)
4. Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan (Y.F.)
5. Tokyo Metropolitan University, Japan (T.H.)
6. Department of Architecture, Faculty of Environmental Engineering, University of Kitakyushu, Japan (S.A.)
7. Department of Emergency Medicine, Ichikawa General Hospital, Tokyo Dental College, Japan (M.S.)
8. University of Occupational and Environmental Health, Kitakyushu, Japan (T.Y.)
9. Tohoku University, Sendai, Japan (H.Y.)
10. Institute for Building Environment and Energy Conservation, Tokyo, Japan (S.M.).