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Authors
Putra, Ramadhan Hardani
Yoda, Nobuhiro https://orcid.org/0000-0001-6342-4503
Iikubo, Masahiro
Kataoka, Yoshihiro
Yamauchi, Kensuke
Koyama, Shigeto
Cooray, Upul
Astuti, Eha Renwi
Takahashi, Tetsu
Sasaki, Keiichi
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Funding
Funding for this research was provided by:
Japan Ministry of Education, Culture, Sports, Science and Technology (18K09651)
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Article History
Received: 3 May 2020
Accepted: 12 August 2020
First Online: 20 September 2020
Ethics approval and consent to participate
: This study protocol was approved by the research ethics committee of the Tohoku University Graduate School of Dentistry (reference number: 23-7). Written informed consent was obtained from all participants prior to the commencement of the study.
: Not applicable.
: Ramadhan Hardani Putra, Nobuhiro Yoda, Masahiro Iikubo, Yoshihiro Kataoka, Kensuke Yamauchi, Shigeto Koyama, Upul Cooray, Eha Renwi Astuti, Tetsu Takahashi, and Keiichi Sasaki declare that they have no competing interests.
