Nishida, Yasunori http://orcid.org/0000-0003-3660-612X
Otagiri, Noriaki
Yoshifuku, Seijiro
Misawa, Kenji
Ko, Kenju
Sasahara, Kotaro
Kishimoto, Hirofumi
Mishima, Osamu
Tauchi, Katsunori
Article History
Received: 31 December 2018
Accepted: 26 June 2019
First Online: 1 July 2019
Ethics approval and consent to participate
: This study received approval from the Institutional Review Board of Aizawa Hospital (#2018–037). A written informed consent from the patients was waived because this study was performed retrospectively.
: Not applicable.
: The authors declare that they have no competing interests.