Ohata, Kazuki
Ezoe, Kenji
Miki, Tetsuya
Morita, Hirofumi
Tsuchiya, Ryoma
Kaneko, Shigeru
Okimura, Tadashi
Uchiyama, Kazuo
Yabuuchi, Akiko
Kobayashi, Tamotsu
Montag, Markus
Kato, Keiichi http://orcid.org/0000-0002-1394-4532
Article History
Received: 11 March 2019
Accepted: 9 May 2019
First Online: 15 May 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Kato Ladies Clinic (approval number: 16–32). Written informed consent for the retrospective analysis of de-identified data was obtained from patients undergoing in vitro fertilization treatment at the center.
: Not applicable.
: MM is CEO of a consultancy company and provides consultancy services to Vitrolife AB. All other authors report no conflicts of interest.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.