About the Authors

Takao Matsuo

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

matuo.takao@gmail.com

Affiliation Faculty of Allied Health Sciences, Division of Speech-Language-Hearing Therapy, Department of Rehabilitation Sciences, Kansai University of Welfare Sciences, Asahigaoka, Kashiwara city, Osaka, Japan

Miwa Matsuyama

Roles Conceptualization, Project administration, Supervision, Validation

Affiliation Department of Oral Health Care and Rehabilitation, Institute of Biomedical Sciences, Tokushima University Graduate School, Kuramoto-cho, Tokushima city, Tokushima, Japan

Competing Interests

The authors declare that they have no conflict of interest.