Funding for this research was provided by:
Japanse Foundation for Multidisciplinary Treatment of Cancer (na)
Received: 28 June 2019
Accepted: 22 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: This study was approved by the local institutional review board (approval no. C11–703), and was registered with the University Hospital Medical Information Network (UMIN) Clinical Trials Registry (trial identifier, UMIN000010236). All patients provided written informed consent before enrollment.
: Written informed consent was obtained from all patients.
: The authors declare that they have no competing interests.