Saito, Taiichi http://orcid.org/0000-0002-5016-9619
Muragaki, Yoshihiro
Tamura, Manabu
Maruyama, Takashi
Nitta, Masayuki
Tsuzuki, Shunsuke
Kawamata, Takakazu
Funding for this research was provided by:
the Japan Society for the Promotion of Science (JSPS) KAKENHI (18K09006)
Article History
Received: 19 July 2018
Revised: 4 October 2018
Accepted: 1 November 2018
First Online: 10 November 2018
Compliance with ethical standards
:
: Ethical approval was obtained from the ethics committee at the Tokyo Women’s Medical University (No. 3540).
: Given the retrospective design, the institutional review board waived the requirement for informed consent. We took the opt-out method. To protect patient privacy, we removed all identifiers from our records upon completion of our analyses.
: The authors declare that they have no potential conflicts of interest.