Takeda, Ryutaro http://orcid.org/0000-0003-4134-9519
Matsumoto, Takumi http://orcid.org/0000-0003-2363-9803
Omata, Yasunori http://orcid.org/0000-0002-8912-7483
Inui, Hiroshi
Taketomi, Shuji
Nagase, Yuichi
Nishikawa, Takuji
Oka, Hiroyuki
Tanaka, Sakae http://orcid.org/0000-0001-9210-9414
Funding for this research was provided by:
The University of Tokyo
Article History
Received: 2 February 2023
Revised: 24 April 2023
Accepted: 1 May 2023
First Online: 24 May 2023
Declarations
:
: None.
: The current study was approved by the research ethics committees of the University of Tokyo Hospital (no. 2674–4), Tokyo Metropolitan Tama Medical Center (no. 30–52), and Tokyo Metropolitan Bokutoh Hospital (no. 02–122).
: Written informed consent had been obtained from all participants at the University of Tokyo for the use of their clinical data for academic research at the timing of their hospital admission for surgeries. The boards of Tokyo Metropolitan Tama Medical Center and Metropolitan Bokutoh Hospital waived the requirement for patient’s informed consent because of the anonymous nature of the data.
: Not applicable.