Igarashi, Toshiya
Tsuyama, Mutsuo
Ogawa, Keiichi
Koizumi, Emiko
Sanetomo, Rena
Hosaka, Kazuyoshi http://orcid.org/0000-0002-7009-5215
Article History
Received: 14 August 2018
Accepted: 13 December 2018
First Online: 29 December 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.