Okamoto, Masashi http://orcid.org/0000-0002-6953-2430
Jabour, Fouad
Sakai, Kenichiro
Hatsushikano, Shun
Le Huec, J. C.
Hasegawa, Kazuhiro
Article History
Received: 25 October 2017
Revised: 4 April 2018
Accepted: 12 April 2018
First Online: 7 May 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Masashi Okamoto.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: One of the authors has significant statistical expertise.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional review board approval was obtained.
: • retrospective• cross-sectional study• multicentre study