1. Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan (UOEH), 1-1 Iseigaoka, Yahata-Nishi, Kitakyushu, Fukuoka 807-8555, Japan
2. National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
3. Research Institute of Science for Safety and Sustainability (RISS), National Institute of Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan
4. Technology Research Association for Single Wall Carbon Nanotubes (TASC), 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan
5. Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan