Funding for this research was provided by:
Graind-in-Aid for Scientific Research KAKENH (18K11406)
Japan Agency for Medical Research and Development (JP19ek0109259, JP20ek0109474)
Grand-in-Aid for Scientific Research KAKENH (20K00539)
Article History
Received: 6 February 2021
Accepted: 10 February 2021
First Online: 20 February 2021
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The present study was approved by the institutional review board of the National Hospital Organization Okinawa National Hospital (#25-03, #26-23). The procedures used in this study adhered to the tenets of the Declaration of Helsinki. All the participants signed informed consent before attending the recording of ERPs.
: Informed consent was obtained from all individual participants included in the study.