Wakabayashi, Taku
Ikuno, Yasushi
Shiraki, Nobuhiko
Matsumura, Nagakazu
Sakaguchi, Hirokazu
Nishida, Kohji
Article History
Received: 14 November 2017
Revised: 5 February 2018
Accepted: 12 June 2018
First Online: 18 June 2018
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or nonfinancial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.
: None of the authors has a proprietary interest or conflict of interest in any product mentioned in this article.