Sekiguchi, Masaki https://orcid.org/0000-0002-5217-0621
Mikami, Masashi
Nakagawa, Chie
Ozaki, Mika
Tanigaki, Shinji
Kobayashi, Tohru
Miyasaka, Naoyuki
Sago, Haruhiko
Article History
Received: 8 November 2018
Accepted: 28 November 2018
First Online: 27 December 2018
Compliance with ethical standards
:
: This study was approved by the Ethics Committee of the National Center for Child Health and Development (simplified ethical review no. 93).
: The authors declare that they have no conflicts of interest.