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Authors
Ikeda, Takamitsu http://orcid.org/0000-0002-1245-2958
Yamauchi, Yasuhiro
Uchida, Kanji
Oba, Koji
Nagase, Takahide
Yamada, Yoshitsugu
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Article History
Received: 5 September 2018
Accepted: 31 October 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: We have obtained the approval of the institutional review board of the University of Tokyo (IRB #11108). Informed consent was obtained from all surgery patients in advance on the use of data for scientific research and publication. The current study focuses on preoperative pulmonary function measures, and the institutional review board of the University of Tokyo decided that additional informed consent was not required, considering that all patients at our institution who are scheduled for surgery under general anesthesia are supposed to undergo pulmonary function testing as part of routine preoperative examinations.
: Not applicable.
: The authors declare that they have no competing interests.
