Akifusa, Sumio http://orcid.org/0000-0001-7962-8762
Isobe, Ayaka
Kibata, Kanako
Oyama, Akinori
Oyama, Hiroko
Ariyoshi, Wataru
Nishihara, Tatsuji
Article History
Received: 1 August 2019
Accepted: 5 December 2019
First Online: 3 February 2020
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of Kyushu Dental University (No. 18–8). Written informed consent was obtained after the details of the study were explained to the participants.
: Not applicable.
: Author Akinori Oyama has received research grants from NEDO Entrepreneurs.