Funding for this research was provided by:
Ministry of Health, Labour and Welfare
Received: 7 April 2020
Accepted: 9 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: The Institutional Review Board of Shinshu University School of Medicine approved all methods for this study. After genetic counseling, the patients provided written informed consent for participation in this study.
: Not applicable.
: The authors report no competing interests.