Author Affiliations +
Koji Mochida,1,* Kumi Matsui2
11 Department of Zoology, Graduate School of Science, Kyoto University, Sakyo-Ku, Kyoto 606-8502, Jap
22 Laboratory of Veterinary Physiology, School of Veterinary Medicine, Azabu University, 1-17-71 Fuch
**To whom correspondence should be addressed. E-mail: spike@ethol.zool.kyoto-u.ac.jp