Kudo, Daisuke http://orcid.org/0000-0001-8626-1057
Miyakoshi, Naohisa http://orcid.org/0000-0001-5175-3350
Hongo, Michio
Kasukawa, Yuji http://orcid.org/0000-0001-7008-675X
Ishikawa, Yoshinori
Ishikawa, Noriyuki
Shimada, Yoichi http://orcid.org/0000-0002-6523-3249
Article History
Received: 28 October 2018
Revised: 19 January 2019
Accepted: 21 January 2019
First Online: 7 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Review Board of Akita University Graduate School of Medicine.
: Informed consent was obtained from all of the patients in the present study.