Fujioka, Keisuke
Nagai, Takashi
Kinoshita, Yukiko
Urushihara, Maki
Hamasaki, Yuko
Shishido, Seiichiro
Kagami, Shoji
Article History
Received: 13 December 2018
Accepted: 23 May 2019
First Online: 3 June 2019
Compliance with ethical standards
:
: All the authors have declared no competing interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.