Funding for this research was provided by:
MSD K.K. (18MFRGB04)
Takeda Science Foundation (N/A)
Received: 18 June 2020
Accepted: 8 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: All study protocols were approved by the Institutional Review Board of Nagoya University Graduate School of Medicine (permission number: 2014–0261). Written informed consent was obtained from a parent or legal guardian for participants under 16 years old.
: Not applicable.
: The authors declare that they have no competing interests.