Ozaki, Dan
Endo, Toshiki http://orcid.org/0000-0002-5609-200X
Suzuki, Hiroyoshi
Sugiyama, Shin-ichiro
Endo, Kaoru
Itabashi, Ryo
Fujimura, Miki
Tominaga, Teiji
Article History
Received: 20 November 2019
Accepted: 19 February 2020
First Online: 10 March 2020
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 non-financial 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.
: Informed consent was obtained from all individual participants included in the study. For this type of study, formal consent is not required.