1. Department of Occupational & Environmental Health, Field of Social Life Science, Program in Health & Community Medicine Nagoya University Graduate School of Medicine
2. Pathology & Physiology Research Branch, Chief, National Institute for Occupational Safety & Health, USA
3. Tokyo Institute of Technology, Department of Organic & Polymeric Materials, Graduate School of Science & Engineering
4. National Institute for Materials Science, Advanced Nano Materials Laboratory, Fullerene Engineering Group