Sugawara, Shigeyasu
Ishii, Shiro
Kojima, Yoshiyuki
Ito, Hiroshi
Suzuki, Yoshiyuki
Oriuchi, Noboru
Article History
Received: 8 December 2019
Accepted: 28 February 2020
First Online: 13 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All the procedures in the present studies involving human participants were performed in accordance with the ethical standards and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by our Institutional Review Board at Fukushima Medical University.
: Informed consent was obtained from all participants included in the study.