Funding for this research was provided by:
Received: 14 November 2019
Accepted: 18 March 2020
First Online: 26 March 2020
Ethics approval and consent to participate
: The ethics committee of Tottori University (Yonago, Japan) and Ajinomoto (Tokyo, Japan) approved the design of this study (approval number: 1701B073), conducted by following the tenets of the Declaration of Helsinki. We explained the research protocol to the patients and guardians, who provided written informed consents for participation.
: Not applicable.
: MK, JI, DS, FK, and YK have no conflicts of interest to declare. KU owns a patent on the Touch Panel-type Dementia Assessment Scale and receives royalties from Nihon Kohden Corporation. HM, HC, and SY are employees of Ajinomoto.