Shimizu, Mutsuya http://orcid.org/0000-0001-6117-7887
Kobayashi, Tetsuya
Chiba, Hisashi
Senoo, Issei
Ito, Hiroshi
Matsukura, Keisuke
Saito, Senri
Article History
Received: 16 January 2020
Accepted: 25 June 2020
First Online: 1 July 2020
Ethics approval and consent to participate
: This study was approved by the ethical review board of Asahikawa Medical University (Approval number: 16149). All individuals included in this study provided verbal and written informed consent in 2017.
: Not applicable.
: The authors declare that they have no competing interest.