Takagi, Hiroki
Seta, Yuji http://orcid.org/0000-0002-7969-7917
Kataoka, Shinji
Nakatomi, Mitsushiro
Toyono, Takashi
Kawamoto, Tatsuo
Article History
Received: 2 November 2017
Accepted: 30 January 2018
First Online: 10 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.