Article History
First Online: 10 August 2020
Declarations
:
: This research received no grants from any funding agency in the public, commercial, or not-for-profit sectors.
: T.S and N.H received research funding from Daiichi-Sankyo and received lecture fees from Daiichi-Sankyo and Bristol-Myers Squibb. M. N has nothing to disclose.
: The protocol was approved by the Institutional Review Board of Tokyo Women’s Medical University (2887-R2) in view of the retrospective nature of the study, and all the procedures performed were part of routine care.
: The requirement for written informed consent was waived because of the retrospective design.
: Not applicable.
: The data that support the findings of this study are available from the corresponding author upon reasonable request.
: Not applicable.
: M.N and T.S conceived and designed the study. M.N collected and organized the patient data from the patient files. M.N and T.S analyzed the data. N.H contributed to the interpretation of the data. T.S was a major contributor in writing the manuscript. All authors read and approved the final manuscript.
: The requirement for written informed consent was waived because of the retrospective design.