Funding for this research was provided by:
Received: 12 February 2018
Accepted: 1 February 2019
First Online: 9 February 2019
Ethics approval and consent to participate
: The Ethics Committees of the Kanazawa University Hospital (9013), Asahikawa Medical University Hospital (29024), National Cancer Center Hospital (T4456), University of Fukui Hospital (2017008), Nagoya City University Hospital (31-17-0003), Nagoya University Hospital (29005), Mie University Hospital (F2913012), Kyoto Prefectural University Hospital (2017–011), Osaka City University Hospital (101952), Okayama University Hospital (290801) and Kyushu University Hospital (2017301) approved the study. This study complied with ethical standards outlined in the Declaration of Helsinki. Individual written consent will be obtained from each patient.
: Not applicable.
: HT has received research funding from Nippon Chemiphar. The funding did not play a role in the design of the study or in the writing of this manuscript. The remaining authors declare no conflicts of interest.
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