Yanagi, Yusuke
Okada, Kazunori http://orcid.org/0000-0002-6180-661X
Kaga, Sanae
Mikami, Taisei
Aiba, Miho
Masauzi, Nobuo
Murayama, Michito
Tanemura, Asuka
Yokoyama, Shinobu
Nishino, Hisao
Nakabachi, Masahiro
Tamaki, Yoji
Aoyagi, Hiroyuki
Motoi, Ko
Ishizaka, Suguru
Chiba, Yasuyuki
Tsujinaga, Shingo
Iwano, Hiroyuki
Anzai, Toshihisa
Article History
Received: 18 December 2021
Accepted: 18 March 2022
First Online: 12 April 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was approved as a retrospective observational study by the Research Ethics Committee of Hokkaido University Hospital (No. 019-0118). Instead of obtaining informed consent, the objectives and methods of the present study were shared with the public both through our institution’s website and on a physical bulletin board; patients who did not wish to participate could request their data be deleted from the study.