1. Department of Bioregulation and Proteomics, Institute of Medical Science; St. Marianna University School of Medicine; Kawasaki Kanagawa 216-8512 Japan
2. Department of Otorhinolaryngology; St. Marianna University School of Medicine; Kawasaki Kanagawa 216-8512 Japan
3. Mitsubishi Kagaku Bio-Clinical Laboratories, Department of Research and Development; Itabashi-ku Tokyo 174-0056 Japan