1. Otawara Girl’s High School, 1-5-43 Motomachi, Otawara, Tochigi 324-0053, Japan
2. Incubation Program for Innovative Students at Utsunomiya University (iP-U), 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan
3. Kokugakuin University Tochigi High School, 608 Hirai-cho, Tochigi, Tochigi 328-0054, Japan
4. Higashi-Katsushika High School, 3-2-1 Asahi-cho, Kashiwa, Chiba 277-0852, Japan
5. Department of Material and Environmental Chemistry, Graduate School of Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya, Tochigi 321-8585, Japan