Soutome, Sakiko http://orcid.org/0000-0002-4646-587X
Otsuru, Mitsunobu
Hayashida, Saki
Yanamoto, Souichi
Sasaki, Miho
Takagi, Yukinori
Sumi, Misa
Kojima, Yuka
Sawada, Shunsuke
Iwai, Hiroshi
Umeda, Masahiro
Saito, Toshiyuki
Article History
Received: 3 March 2021
Accepted: 8 April 2021
First Online: 21 April 2021
Declarations
:
: This study was performed in accordance with the 1964 Declaration of Helsinki. Ethical approval was obtained from the Institutional Review Board (IRB) of Nagasaki University (#21021509).
: Because this was a retrospective study, the research plan was published on the homepage of the participating hospitals according to the instructions of the IRB in accordance with the guaranteed opt-out opportunity.
: Not applicable
: The authors declare no competing interests.