Sakai, Hidemasa
Iwashima, Satoru http://orcid.org/0000-0003-2713-321X
Sano, Shinichiro
Akiyama, Naoe
Nagata, Eiko
Harazaki, Masashi
Fukuoka, Tetuya
Article History
Accepted: 29 October 2020
First Online: 20 December 2020
Declarations
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: All authors made substantial contributions to the conception of the study. All authors read and approved the final manuscript. H.S., S.I., S.S., and M.H. interpreted the data and wrote the paper.
: This research received no specific grant from any funding agency in the public, commercial, or not-for profit sectors.
: The study was reviewed and approved by the ethics committee of Shizuoka Children’s Hospital (ID: R000014887) and all participating institutions.
: Patients and their guardians provided written informed consent before enrolment or informed consent was obtained as an opt-out and inclusion agreement based on the Japanese Ethical Guidelines for Medical and Health Research Involving Human Subjects. Some institutions posted an explanation of this study on their web homepage. When a subject was not willing to participate, his/her data were excluded from the analysis.
: Not applicable.
: The datasets during and/or analyzed during the current study available from the corresponding author on reasonable request.
: This study was registered as a clinical trial at UMIN (UMIN000025707).