Ishikawa, Masako
Nakayama, Kentaro http://orcid.org/0000-0002-3250-3097
Nakamura, Kohei
Yamashita, Hitomi
Ishibashi, Tomoka
Minamoto, Toshiko
Iida, Kouji
Razia, Sultana
Ishikawa, Noriyoshi
Nakayama, Satoru
Otsuki, Yoshiro
Kyo, Satoru
Article History
Received: 30 January 2020
Accepted: 5 May 2020
First Online: 20 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The acquisition of tumor tissues was approved by the Shimane University Institutional Review Board (IRB no. 20070305-1 and no. 20070305-2).
: After an appropriate explanation, patients who could provide written informed consent for the procedure and for participation in the study. For the patients who could not come to hospitals again, we had clearly announced that the opportunity to opt out is always available to patients by taking measures such as, carrying the information on the opportunity to opt out on its website, as well as making arrangements so that patients can opt out via the website at any time.