1. Department of Forest Products Technology, School of Chemical Technology, Aalto University, Aalto, Finland
2. Barrier Free Design Course, Faculty of Health Science, Department of Human Care Engineering, Nihon Fukushi University, Handashi, Japan
3. Department of Architecture, School of Arts, Design and Architecture, Aalto University, Espoo, Finland
4. Department of Architecture and Architectural Engineering, Graduate School of Science and Engineering, Kagoshima University, Kagoshima, Japan