Address Professor's office 〒940-2188 Biology building #654, 1603-1, Kamitomioka-machi, Nagaoka-shi, Niigata, Japan Student room 〒940-2188 Biology building #665, 1603-1, Kamitomioka-machi, Nagaoka-shi, Niigata, Japan Contact information ✉e-mail: kohnuma@vos.nagaokaut.ac.jp 📞Tel: +81-258-47-9454 Fax: +81-258-47-9401