Funding for this research was provided by:
Mitsubishi Foundation (H30-Shakai-Fukushi 1)
Japan Agency for Medical Research and Development (19dm0307104h0001)
Intramural Research Grant for Neurological and Psychiatric Disorders of NCNP (29-2)
Health and Labour Sciences Research Grants for research on intractable diseases from Ministry of Health, Labour and Welfare of Japan (H29-Nanbyou-Ippan-059)
Text and Data Mining valid from 2020-02-24
Received: 7 June 2019
Accepted: 3 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: Ethics approval was granted by the Institutional Review Board of the NCNP in Tokyo, Japan (November 24, 2017; A2017–069). All participants will be informed about the purpose and design of the trial, its risks and benefits, and their rights and obligations. Signed informed consent will be obtained from all participants before enrolment.
: Consent for publication was included in the consent to participate form.
: The authors declare that they have no competing interests.