Eguchi, Rika
Onozuka, Daisuke
Ikeda, Kouji
Kuroda, Kenji
Ieiri, Ichiro
Hagihara, Akihito
Article History
Received: 8 July 2017
Accepted: 18 April 2018
First Online: 23 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants in the study.