Hayashi, Kentaro http://orcid.org/0000-0001-8360-7630
Ishimaru, Tetsuya
Takahashi, Tomoko
Omata, Kanako
Sanmoto, Youhei
Hirata, Yuta
Kawashima, Hiroshi
Iwanaka, Tadashi
Funding for this research was provided by:
Kawano Masanori Memorial Public Interest Incorporated Foundation
Article History
Received: 7 September 2021
Accepted: 13 November 2021
First Online: 10 February 2022
Declarations
:
: The study protocol complied with the Helsinki Declaration and was approved by the Research Ethics Committee of Saitama Children’s Medical Center (no. 2019-02-019). The requirement for written informed consent was waived because of the retrospective nature of the study.
: Informed consent was obtained in the form of opt-out on the website.
: The authors declare that they have no competing interests.