Tatsumi, Goichi http://orcid.org/0000-0001-5886-2381
Kawahara, Masahiro http://orcid.org/0000-0002-2721-7571
Yamamoto, Ryusuke
Hishizawa, Masakatsu
Kito, Katsuyuki
Suzuki, Takayoshi http://orcid.org/0000-0003-2439-879X
Takaori-Kondo, Akifumi http://orcid.org/0000-0001-7678-4284
Andoh, Akira
Article History
Received: 1 April 2019
Revised: 13 July 2019
Accepted: 21 August 2019
First Online: 1 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.