Saida, Ken
Kamei, Koichi
Morisada, Naoya
Ogura, Masao
Ogata, Kentaro
Matsuoka, Kentaro
Nozu, Kandai
Iijima, Kazumoto
Ito, Shuichi http://orcid.org/0000-0002-5242-8987
Article History
Received: 2 July 2019
Accepted: 9 September 2019
First Online: 19 September 2019
Compliance with ethical standards
:
: None of the authors have any conflicts of interest to declare.
: This study was approved by the ethics committee of the National Center for Child Health and Development in accordance with the ethical standards of the institutional committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: A consent for publication was obtained from the parent.