1Laboratory of Rehabilitative Auditory Science, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan
2Department of Audiology, Tohoku University Graduate School of Medicine, Sendai, Japan
3Department of Otolaryngology-Head and Neck Surgery, Tohoku University Hospital, Sendai, Japan
4Research Institute of Electrical Communication, Tohoku University, Sendai, Japan
5Graduate School of Information Sciences, Tohoku University, Sendai, Japan
6Department of Speech and Hearing Sciences, International University of Health and Welfare, Narita, Japan.
Received January 25, 2021; accepted April 21, 2022; published online ahead of print June 8, 2022.
The author contributions were as follows; 1) Design of the work: T.K., S.S. and C.O., 2) Data collection: T.K. and R.T., 3) Data analysis: T.K., 4) Writing of the paper: T.K. with R.T., C.O. and S.S.
The authors have no conflicts of interest to disclose.
Address for correspondence: Tetsuaki Kawase, Laboratory of Rehabilitative Auditory Science, Tohoku University Graduate School of Biomedical Engineering, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-8574, Japan. E-mail: [email protected]