1. Center for Laboratory Animal Science, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan
2. Department of Laboratory Animal Medicine, Institute for Biomedical Sciences, Iwate Medical University, 2-1-1 Nishitokuta, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
3. Medical-Industrial Translational Research Center, Fukushima Global Science Center, Fukushima Medical University, 1-Hikarigaoka, Fukushima, Fukushima 960-1295, Japan
4. Laboratory Animal Research Center, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, Fukushima 960-1295, Japan