1. a Institute for Frontier Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan; Department of Veterinary Internal Medicine, Faculty of Agriculture, Tottori University, Minami 4-101, Koyama-cho, Tottori 680-8553, Japan
2. b Department of Veterinary Internal Medicine, Faculty of Agriculture, Tottori University, Minami 4-101, Koyama-cho, Tottori 680-8553, Japan
3. c Institute for Frontier Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
4. d Institute for Frontier Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan. Japanyasuhiko@frontier.kyoto-u.ac.jp