Okada, Yuko
Yokoyama, Koji
Yano, Tomonori
Kumagai, Hideki
Morikawa, Takaaki
Kobayashi, Yasutoshi
Imagawa, Tomoyuki
Yamagata, Takanori
Article History
Received: 18 January 2019
Accepted: 1 April 2019
First Online: 6 April 2019
Compliance with ethical standards
:
: All the authors declare no conflicts of interest in association with the present study.
: All the procedures followed were performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from the patient and his mother for inclusion in this study.