Watanabe, Masayuki
Sato, Michio
Fukuchi, Minoru
Kato, Hiroyuki
Matsubara, Hisahiro
Article History
Received: 22 March 2019
Accepted: 16 June 2019
First Online: 20 June 2019
Compliance with ethical standards
:
: All procedures were in accordance with the ethical standards of the responsible committee on human experimentation and comply with the Helsinki Declaration of 1964 and all subsequent versions.
: Watanabe M, Sato M, Fukuchi M, Kato H, and Matsubara H declare that they have no conflicts of interest.