Takahashi, Keitaro
Fujiya, Mikihiro
Ueno, Nobuhiro
Saito, Takeshi
Sugiyama, Yuya
Murakami, Yuki
Iwama, Takuya
Sasaki, Takahiro
Ijiri, Masami
Tanaka, Kazuyuki
Sakatani, Aki
Ando, Katsuyoshi
Nomura, Yoshiki
Kashima, Shin
Goto, Mitsuru
Moriichi, Kentaro
Okumura, Toshikatsu
Article History
Received: 8 May 2018
Accepted: 5 February 2019
First Online: 5 March 2019
Compliance with ethical standards
:
: The study was reviewed and approved by the institutional review boards of Asahikawa Medical University, Asahikawa Kosei General Hospital and Asahikawa City Hospital.
: The authors have no conflicts of interest related to the manuscript.
: We used the patient opt-out consent method concerning participation in this study. We retrospectively reviewed anonymized clinical data after each patient received standard management. Individuals cannot be identified based on the data presented.