1. Department of Animal Medical Sciences; Faculty of Life Sciences; Kyoto Sangyo University; Kyoto; Japan
2. Probiotics Research Group; Research Institute; Kagome Co., Ltd.; Tochigi; Japan
3. Laboratory of Veterinary Pharmacology; Department of Veterinary Medicine; Faculty of Applied Biological Science; Gifu University; Gifu; Japan
4. Department of Morphological and Physiological Sciences; Faculty of Medical Sciences; Fukui University; Fukui; Japan
5. Department of Veterinary Medicine; Rakuno Gakuen University; Hokkaido; Japan
6. Common Resources Group; Okinawa Institute of Science and Technology; Okinawa; Japan