Motegi, Kazuki
Matsutomo, Norikazu
Yamamoto, Tomoaki
Koizumi, Mitsuru
Article History
Received: 14 January 2020
Revised: 6 June 2020
Accepted: 8 June 2020
First Online: 13 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was retrospective and was approved by the institutional ethical committee of Cancer Institute Hospital, Japanese Foundation for Cancer Research, and Kyorin University (no. 2018–1096 and no.30–46). This article does not contain any studies with animals performed.
: For this type of study, formal consent is not required in our Institution.