1. Molecular Neuroscience Research Center, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Japan
2. Department of Public Health, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Japan
3. Corporate Research and Development Center, Panasonic Healthcare Co., Ltd., Toon, Japan
4. Department of Otorhinolaryngology, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Japan
5. Department of Medical Statistics, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Japan