1. Dep. of Material and Life Sciences, Faculty of Sci. & Tech., Sophia University
2. Earth and Life Sci. Inst., Tokyo Inst. of Tech.
3. Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
4. Meteorological Research Institute, Japan Meteorological Agency
5. Faculty of Life and Environmental Sciences, University of Tsukuba
6. Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
7. Earth-Life Science Institute, Tokyo Institute of Technology
8. College of Science, Ibaraki University
9. Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba