Aoki, Takayuki http://orcid.org/0000-0003-1850-3469
Kudo, Miyuki
Endo, Maho
Nakayama, Yuka
Amano, Akiyuki
Naito, Mariko
Ota, Yoshihide
Article History
Received: 27 September 2017
Accepted: 8 August 2018
First Online: 15 August 2018
Compliance with ethical standards
: This study was approved by the Institutional Review Board for Clinical Research at Tokai University School of Medicine (16R-163). This clinical research was conducted in accordance with the Declaration of Helsinki as well as the Ethical Guidelines for Clinical Research by the Japanese Ministry of Health, Labour and Welfare. Written informed consent was obtained from each patient after an explanation of the study protocol. To protect personal information, the obtained data was managed by “anonymity with linking capability.”
: The authors declare that they have no conflicts of interest.