Hanamoto, Hiroshi http://orcid.org/0000-0002-7527-102X
Maegawa, Hiroharu
Inoue, Mika
Oyamaguchi, Aiko
Kudo, Chiho
Niwa, Hitoshi
Article History
Received: 4 January 2019
Accepted: 30 July 2019
First Online: 7 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee at Osaka University Graduate School of Dentistry (approval number: H30-E1). The requirement for written informed consent was waived by the Ethics Committee at Osaka University Graduate School of Dentistry.
: Not applicable.
: The authors declare that they have no competing interests.