Toyama, Kentaro
Wanibuchi, Masahiko
Honma, Toshimi
Komatsu, Katsuya
Akiyama, Yukinori
Mikami, Takeshi
Mikuni, Nobuhiro http://orcid.org/0000-0002-9558-1236
Article History
Received: 26 March 2018
Revised: 9 July 2018
Accepted: 15 August 2018
First Online: 5 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Institutional Review Board of Sapporo Medical University.
: Written informed consent was obtained from each patient in accordance with the local ethical guidelines.