1. Biosignal Research Center, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Gunma 371-8512, Japan
2. Department of Otolaryngology, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
3. Department of Hematology and Oncology, Division of Clinical Pharmacotherapeutics, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima 734-8551, Japan