Ogata, Tsuyoshi
Murooka, Maki
Akashi, Makoto
Ishitsuka, Akemi
Miyazaki, Akari
Osawa, Shuuichi
Ishikawa, Kanako
Tanaka-Taya, Keiko
Uehara, Ritei
Article History
Received: 19 December 2020
Accepted: 4 May 2021
First Online: 15 May 2021
Declarations
:
: We obtained written informed consent from the patient or the parents for the study. The study protocol was approved on 25 July 2019 by the Ibaraki Prefecture Epidemiological Research Joint Ethics Review Committee (protocol number: R1–06).
: Not applicable.
: The authors declare that they have no competing interests.