Kai, Yoshiteru
Moriwaki, Hitomi
Yumoto, Keitaro
Iwata, Kyoko
Mio, Yasuyuki http://orcid.org/0000-0002-0413-6728
Article History
Received: 19 April 2018
Accepted: 12 June 2018
First Online: 29 June 2018
Compliance with ethical standards
:
: This study was approved by the Ethics Committee of JISART (Japanese Institution for Standardizing Assisted Reproductive Technology) and was registered with the Japan Society of Obstetrics and Gynecology.
: The authors declare that they have no conflict of interest.