1. Veterinary Teaching Hospital, Faculty of Agriculture, Iwate University, Iwate 020-8550, Japan
2. Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan 31116, Republic of Korea
3. Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Iwate, 020-8550, Japan
4. The Institute for Social Medicine, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan
5. R&D Headquarters, Daicel Corporation, Tokyo 108-8230, Japan