Kawamura, Kazuki
Miyai, Kosuke http://orcid.org/0000-0003-1776-3541
Asakuma, Junichi
Sato, Kimiya
Matsukuma, Susumu
Tsuda, Hitoshi
Ito, Keiichi
Article History
Received: 15 July 2020
Revised: 7 November 2020
Accepted: 8 December 2020
First Online: 6 January 2021
Compliance with ethical standards
: All patients gave informed consent for retention and anonymous analysis of their tissue for research purposes in accordance with the requirements of the ethical committee of the National Defense Medical College (Approval No. 4007).
: The authors declare that there is no conflict of interest.