Ishikawa, Yoshiya http://orcid.org/0000-0002-3348-5652
Ehara, Kazuhisa
Yamada, Tatsuya
Matsuzawa, Natsumi
Arai, Shu
Ban, Daisuke
Kudo, Atsushi
Tanabe, Minoru
Kawashima, Yoshiyuki
Sakamoto, Hirohiko
Article History
Received: 12 January 2018
Accepted: 30 March 2018
First Online: 1 June 2018
<!--Emphasis Type='Bold' removed-->Compliance with ethical standards
:
: We declare no conflicts of interest.
: All the study procedures were approved by the Ethical Committee of Saitama Cancer Center (approval number 767) and were therefore performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all participants included in the study.