Inamasu, Joji
Ganaha, Tsukasa
Nakae, Shunsuke
Ohmi, Tatsuo
Wakako, Akira
Tanaka, Riki
Kuwahara, Kiyonori
Kogame, Hirotaka
Kawazoe, Yushi
Kumai, Tadashi
Hayakawa, Motoharu
Hirose, Yuichi
Funding for this research was provided by:
Japan Society for the Promotion of Science (26462173)
Article History
Received: 25 January 2016
Accepted: 29 February 2016
First Online: 10 March 2016
Compliance with ethical standards
:
: The corresponding author (JI) received a research grant from the Japan Society for the Promotion of Science (JSPS KAKENHI grant no. 26462173).The sponsor, the Japan Society for the Promotion of Science, had no role in the design or conduct of this research.
: 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.
: 1. 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.2. Approval for this study was given by our institutional research committee (Study ID: HM12-100).3. For this type of study (i.e., retrospective), our institutional research committee decided that formal consent was not required from each patient.