Nitta, Manabu
Shimizu, Sayuri
Kaneko, Makoto
Fushimi, Kiyohide
Ueda, Shinichiro
Article History
Received: 6 May 2021
Accepted: 22 August 2021
First Online: 27 August 2021
Declarations
:
: This study was approved by the ethics committee of Tokyo Medical and Dental University (approval number: M2000-78-16) and was conducted in accordance with ethical standards as described in the 2002 Declaration of Helsinki. The informed consent was waived by ethics committee of Tokyo Medical and Dental University due to the anonymous nature of the data.
: Not applicable.
: The authors declare that they have no competing interests.