**Author details**

Takeshi Ohta1,2\*, Yasutaka Murai1 and Takahisa Yamada2

\*Address all correspondence to: takeshi.ota@jt.com

1 Japan Tobacco Inc., Central Pharmaceutical Research Institute, Murasaki-cho, Takatsuki, Osaka, Japan

2 Laboratory of Animal Genetics, Graduate School of Science and Technology, Niigata University, Nishi-ku, Niigata, Japan
