1. Department of Neurology, School of MedicineFukushima Medical UniversityFukushimaJapan
2. Department of Health ScienceDaito Bunka UniversitySaitamaJapan
3. Department of Information ScienceGraduate School of EngineeringUtsunomiya UniversityTochigiJapan
4. Electromagnetic Compatibility LaboratoryApplied Electromagnetic Research InstituteNational Institute of Information and Communications TechnologyTokyoJapan
5. Fukushima Global Medical Science CenterAdvanced Clinical Research CenterFukushima Medical UniversityFukushimaJapan