Okuyama, Hiroomi
Saka, Ryuta
Takama, Yuichi
Nomura, Motonari
Ueno, Takehisa
Tazuke, Yuko
Article History
Received: 16 May 2019
Accepted: 29 July 2019
First Online: 14 October 2019
Compliance with ethical standards
:
: No competing financial interests exist.