Yokoyama, Hiroki
Yamamoto, Tatsuo
Tanaka, Michio
Kudo, Chieko
Hidaka, Koichi
Kuribayashi, Nobuichi
Minabe, Masato
Article History
Received: 18 October 2018
Accepted: 2 December 2018
First Online: 12 December 2018
Compliance with ethical standards
:
: The study protocol was approved on Oct. 27th in 2014 by the Jiyugaoka Medical Clinic Ethical Board number #250716. All participants provided written informed consent and the study was carried out in accordance with the Helsinki Declaration II.
: All authors have no conflicts of interest to disclose.