Nakao, Sei
Tanabe, Masahiro
Okada, Munemasa
Furukawa, Matakazu
Iida, Etsushi
Miyoshi, Keisuke
Matsunaga, Naofumi
Ito, Katsuyoshi https://orcid.org/0000-0002-1483-0369
Article History
Received: 23 May 2019
Accepted: 9 July 2019
First Online: 18 July 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was approved by the Institutional Review Board of our institution.