1. Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
2. Gunma University School of Health Sciences, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
3. Showa Pharmaceutical University, 3-3165 Higashi-Tamagawagakuen, Machida, Tokyo 194-8543, Japan