Funding for this research was provided by:
Ministry of Health, Labour and Welfare
Japan Agency for Medical Research and Development (JP18ek0109368, JP17ek0109110, JP16ek0109048)
the Research Committee for Ataxic Disease
the ICT Infrastructure Establishment and Implementation of Artificial Intelligence for Clinical and Medical Research
Received: 30 January 2019
Accepted: 1 May 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the Hokkaido University Graduate School of Medicine, and written informed consents were obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.