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Authors
Sakamoto, Naoko
Kabaya, Kayoko
Nakayama, Meiho
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Article History
Received: 6 June 2021
Accepted: 9 May 2022
First Online: 18 May 2022
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki and ethical approval was granted by the Nagoya City University Medical Research Ethics Review Committee (#60-19-0108).Parents/guardians read the document explaining the research purpose, ethical considerations, and instructions on how to return the questionnaire, and if they freely and voluntarily agreed to participate in the study, they checked the ‘agree to participate in the study’ box and completed the questionnaire. Informed consent was obtained from all parents of minors.
: Not applicable.
: The authors declare that they have no competing interests.
