Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology (21791264)
Foundation for Promotion of Cancer Research
Text and Data Mining valid from 2018-11-24
Received: 15 November 2018
Accepted: 21 November 2018
First Online: 24 November 2018
Compliance with ethical standards
: Futoshi Akiyama received consulting fee from Sysmex Corporation paid to the Japanese Foundation for Cancer Research. The other authors declare no conflicts of interest.
: This study was approved by the Institutional Review Board of the Cancer Institute Hospital (Reference Nos. 2011-1015 and 2012-1061), and performed in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The written general consent was obtained from each of the patients.