Ishikawa, Takamichi http://orcid.org/0000-0002-7118-3014
Uchiyama, Hiroki
Iwashima, Satoru
Baba, Toru
Ohishi, Akira
Iijima, Shigeo
Itoh, Hiroaki
Funding for this research was provided by:
JSPS KAKENHI
Article History
Received: 12 April 2020
Accepted: 28 July 2020
First Online: 12 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from the parents of each newborn.
: The study was conducted in accordance with the ethical principles described in the Declaration of Helsinki and was approved by the local ethics committees.