Edama, Mutsuaki http://orcid.org/0000-0002-2784-6466
Takabayashi, Tomoya
Yokota, Hirotake
Hrabayashi, Ryo
Sekine, Chie
Kageyama, Ikuo
Article History
Received: 2 November 2020
Accepted: 15 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: Informed consent was obtained from the families of all subjects. This study was approved by the ethics committee of the Niigata University of Health and Welfare, Niigata, Japan.
: Not applicable.
: The authors declare that they have no competing interests.