Funding for this research was provided by:
Japan Agency for Medical Research and Development (18ek0109278h0002)
Japan Society for the Promotion of Science (JP17K08689, JP17K19535)
Text and Data Mining valid from 2019-08-01
Received: 10 January 2019
Accepted: 22 July 2019
First Online: 1 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee at the National Center for Child Health and Disease (NCCHD), the Institutional Review Board for Human Genome/Gene Research at Kyushu University, and the Ethics Committees at Hokkaido University Graduate School of Medicine. Written informed consent was obtained from the participants.
: Not applicable.
: The authors declare that they have no competing interests.