Shinkai, Shota
Ishioka, Shinichi
Mariya, Tasuku
Fujibe, Yuya
Kim, Miseon
Someya, Masayuki
Saito, Tsuyoshi
Article History
Received: 7 December 2019
Accepted: 14 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: This study adhered to the tenets of Declaration of Helsinki, and the study design was reviewed and approved by the Sapporo medical university’s review board and the ethics committee (approval number:05–26). Permission to access and to use these data was also approved. A written informed consent to participate in the study and to publish the report was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.